Home / 38,149.49-52,646.04-21,153.73

Finding the Fourth Proportional to 38,149.49, 52,646.04 and 21,153.73

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Solution

The fourth proportional to 38,149.49, 52,646.04 and 21,153.73 is: 29,192.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,149.49 : 52,646.04 = 21,153.73 : x
  2. Step 2: Convert to fraction form
    38,149.49/52,646.04 = 21,153.73/x
  3. Step 3: Cross multiply
    38,149.49x = 52,646.04 × 21,153.73
  4. Step 4: Simplify right side
    38,149.49x = 1,113,659,984.11
  5. Step 5: Solve for x
    x = 1,113,659,984.11/38,149.49
  6. Step 6: Final answer
    x = 29,192.00

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Half scale
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Double scale
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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.