Home / 31,705.24-47,565.12-16,906.36

Finding the Fourth Proportional to 31,705.24, 47,565.12 and 16,906.36

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Solution

The fourth proportional to 31,705.24, 47,565.12 and 16,906.36 is: 25,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,705.24 : 47,565.12 = 16,906.36 : x
  2. Step 2: Convert to fraction form
    31,705.24/47,565.12 = 16,906.36/x
  3. Step 3: Cross multiply
    31,705.24x = 47,565.12 × 16,906.36
  4. Step 4: Simplify right side
    31,705.24x = 804,153,042.16
  5. Step 5: Solve for x
    x = 804,153,042.16/31,705.24
  6. Step 6: Final answer
    x = 25,363.41

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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.