Home / 29,500,229.57-40,724,024.13-21,018,837.02

Finding the Fourth Proportional to 29,500,229.57, 40,724,024.13 and 21,018,837.02

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Solution

The fourth proportional to 29,500,229.57, 40,724,024.13 and 21,018,837.02 is: 29,015,761.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,500,229.57 : 40,724,024.13 = 21,018,837.02 : x
  2. Step 2: Convert to fraction form
    29,500,229.57/40,724,024.13 = 21,018,837.02/x
  3. Step 3: Cross multiply
    29,500,229.57x = 40,724,024.13 × 21,018,837.02
  4. Step 4: Simplify right side
    29,500,229.57x = 855,971,625,783,397.25
  5. Step 5: Solve for x
    x = 855,971,625,783,397.25/29,500,229.57
  6. Step 6: Final answer
    x = 29,015,761.52

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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.