Home / 42,202.05-63,294.48-15,538.92

Finding the Fourth Proportional to 42,202.05, 63,294.48 and 15,538.92

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Solution

The fourth proportional to 42,202.05, 63,294.48 and 15,538.92 is: 23,305.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,202.05 : 63,294.48 = 15,538.92 : x
  2. Step 2: Convert to fraction form
    42,202.05/63,294.48 = 15,538.92/x
  3. Step 3: Cross multiply
    42,202.05x = 63,294.48 × 15,538.92
  4. Step 4: Simplify right side
    42,202.05x = 983,527,861.16
  5. Step 5: Solve for x
    x = 983,527,861.16/42,202.05
  6. Step 6: Final answer
    x = 23,305.22

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1.5x scale

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.