Home / 42,331.14-63,451.94-15,660

Finding the Fourth Proportional to 42,331.14, 63,451.94 and 15,660

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Solution

The fourth proportional to 42,331.14, 63,451.94 and 15,660 is: 23,473.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,331.14 : 63,451.94 = 15,660 : x
  2. Step 2: Convert to fraction form
    42,331.14/63,451.94 = 15,660/x
  3. Step 3: Cross multiply
    42,331.14x = 63,451.94 × 15,660
  4. Step 4: Simplify right side
    42,331.14x = 993,657,380.40
  5. Step 5: Solve for x
    x = 993,657,380.40/42,331.14
  6. Step 6: Final answer
    x = 23,473.44

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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.