Home / 59,139.36-88,642.08-19,687.20

Finding the Fourth Proportional to 59,139.36, 88,642.08 and 19,687.20

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Solution

The fourth proportional to 59,139.36, 88,642.08 and 19,687.20 is: 29,508.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,139.36 : 88,642.08 = 19,687.20 : x
  2. Step 2: Convert to fraction form
    59,139.36/88,642.08 = 19,687.20/x
  3. Step 3: Cross multiply
    59,139.36x = 88,642.08 × 19,687.20
  4. Step 4: Simplify right side
    59,139.36x = 1,745,114,357.38
  5. Step 5: Solve for x
    x = 1,745,114,357.38/59,139.36
  6. Step 6: Final answer
    x = 29,508.51

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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.