Home / 42,342.12-63,716.49-34,899.30

Finding the Fourth Proportional to 42,342.12, 63,716.49 and 34,899.30

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Solution

The fourth proportional to 42,342.12, 63,716.49 and 34,899.30 is: 52,516.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,342.12 : 63,716.49 = 34,899.30 : x
  2. Step 2: Convert to fraction form
    42,342.12/63,716.49 = 34,899.30/x
  3. Step 3: Cross multiply
    42,342.12x = 63,716.49 × 34,899.30
  4. Step 4: Simplify right side
    42,342.12x = 2,223,660,899.46
  5. Step 5: Solve for x
    x = 2,223,660,899.46/42,342.12
  6. Step 6: Final answer
    x = 52,516.52

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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.