Home / 31,613.39-47,419.60-9,426.86

Finding the Fourth Proportional to 31,613.39, 47,419.60 and 9,426.86

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Solution

The fourth proportional to 31,613.39, 47,419.60 and 9,426.86 is: 14,140.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,613.39 : 47,419.60 = 9,426.86 : x
  2. Step 2: Convert to fraction form
    31,613.39/47,419.60 = 9,426.86/x
  3. Step 3: Cross multiply
    31,613.39x = 47,419.60 × 9,426.86
  4. Step 4: Simplify right side
    31,613.39x = 447,017,930.46
  5. Step 5: Solve for x
    x = 447,017,930.46/31,613.39
  6. Step 6: Final answer
    x = 14,140.15

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1.5x scale

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.