Home / 29,513-40,729.65-16,938.56

Finding the Fourth Proportional to 29,513, 40,729.65 and 16,938.56

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Solution

The fourth proportional to 29,513, 40,729.65 and 16,938.56 is: 23,376.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,513 : 40,729.65 = 16,938.56 : x
  2. Step 2: Convert to fraction form
    29,513/40,729.65 = 16,938.56/x
  3. Step 3: Cross multiply
    29,513x = 40,729.65 × 16,938.56
  4. Step 4: Simplify right side
    29,513x = 689,901,620.30
  5. Step 5: Solve for x
    x = 689,901,620.30/29,513
  6. Step 6: Final answer
    x = 23,376.19

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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.