Home / 38,363.17-52,942.60-21,136.23

Finding the Fourth Proportional to 38,363.17, 52,942.60 and 21,136.23

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Solution

The fourth proportional to 38,363.17, 52,942.60 and 21,136.23 is: 29,168.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,363.17 : 52,942.60 = 21,136.23 : x
  2. Step 2: Convert to fraction form
    38,363.17/52,942.60 = 21,136.23/x
  3. Step 3: Cross multiply
    38,363.17x = 52,942.60 × 21,136.23
  4. Step 4: Simplify right side
    38,363.17x = 1,119,007,195.35
  5. Step 5: Solve for x
    x = 1,119,007,195.35/38,363.17
  6. Step 6: Final answer
    x = 29,168.79

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Half scale
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Double scale
Find fourth proportional to 38,364.17, 52,943.98 and 21,137.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.