Home / 31,458.93-47,195.78-10,398.97

Finding the Fourth Proportional to 31,458.93, 47,195.78 and 10,398.97

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Solution

The fourth proportional to 31,458.93, 47,195.78 and 10,398.97 is: 15,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,458.93 : 47,195.78 = 10,398.97 : x
  2. Step 2: Convert to fraction form
    31,458.93/47,195.78 = 10,398.97/x
  3. Step 3: Cross multiply
    31,458.93x = 47,195.78 × 10,398.97
  4. Step 4: Simplify right side
    31,458.93x = 490,787,500.35
  5. Step 5: Solve for x
    x = 490,787,500.35/31,458.93
  6. Step 6: Final answer
    x = 15,600.90

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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.