Home / 31,705.68-47,565.72-16,906.80

Finding the Fourth Proportional to 31,705.68, 47,565.72 and 16,906.80

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Solution

The fourth proportional to 31,705.68, 47,565.72 and 16,906.80 is: 25,364.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,705.68 : 47,565.72 = 16,906.80 : x
  2. Step 2: Convert to fraction form
    31,705.68/47,565.72 = 16,906.80/x
  3. Step 3: Cross multiply
    31,705.68x = 47,565.72 × 16,906.80
  4. Step 4: Simplify right side
    31,705.68x = 804,184,114.90
  5. Step 5: Solve for x
    x = 804,184,114.90/31,705.68
  6. Step 6: Final answer
    x = 25,364.04

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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.