Home / 38,132.09-52,622.66-21,136.70

Finding the Fourth Proportional to 38,132.09, 52,622.66 and 21,136.70

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Solution

The fourth proportional to 38,132.09, 52,622.66 and 21,136.70 is: 29,168.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,132.09 : 52,622.66 = 21,136.70 : x
  2. Step 2: Convert to fraction form
    38,132.09/52,622.66 = 21,136.70/x
  3. Step 3: Cross multiply
    38,132.09x = 52,622.66 × 21,136.70
  4. Step 4: Simplify right side
    38,132.09x = 1,112,269,008.83
  5. Step 5: Solve for x
    x = 1,112,269,008.83/38,132.09
  6. Step 6: Final answer
    x = 29,168.85

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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.