Home / 42,037.13-63,055.53-13,959.29

Finding the Fourth Proportional to 42,037.13, 63,055.53 and 13,959.29

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Solution

The fourth proportional to 42,037.13, 63,055.53 and 13,959.29 is: 20,938.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,037.13 : 63,055.53 = 13,959.29 : x
  2. Step 2: Convert to fraction form
    42,037.13/63,055.53 = 13,959.29/x
  3. Step 3: Cross multiply
    42,037.13x = 63,055.53 × 13,959.29
  4. Step 4: Simplify right side
    42,037.13x = 880,210,114.10
  5. Step 5: Solve for x
    x = 880,210,114.10/42,037.13
  6. Step 6: Final answer
    x = 20,938.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.