Home / 42,331.32-63,477-15,658.92

Finding the Fourth Proportional to 42,331.32, 63,477 and 15,658.92

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Solution

The fourth proportional to 42,331.32, 63,477 and 15,658.92 is: 23,480.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,331.32 : 63,477 = 15,658.92 : x
  2. Step 2: Convert to fraction form
    42,331.32/63,477 = 15,658.92/x
  3. Step 3: Cross multiply
    42,331.32x = 63,477 × 15,658.92
  4. Step 4: Simplify right side
    42,331.32x = 993,981,264.84
  5. Step 5: Solve for x
    x = 993,981,264.84/42,331.32
  6. Step 6: Final answer
    x = 23,480.99

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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.