Home / 31,487.76-43,451.46-17,337.87

Finding the Fourth Proportional to 31,487.76, 43,451.46 and 17,337.87

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Solution

The fourth proportional to 31,487.76, 43,451.46 and 17,337.87 is: 23,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,487.76 : 43,451.46 = 17,337.87 : x
  2. Step 2: Convert to fraction form
    31,487.76/43,451.46 = 17,337.87/x
  3. Step 3: Cross multiply
    31,487.76x = 43,451.46 × 17,337.87
  4. Step 4: Simplify right side
    31,487.76x = 753,355,764.79
  5. Step 5: Solve for x
    x = 753,355,764.79/31,487.76
  6. Step 6: Final answer
    x = 23,925.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.