Home / 31,500.18-47,233.80-9,310.56

Finding the Fourth Proportional to 31,500.18, 47,233.80 and 9,310.56

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Solution

The fourth proportional to 31,500.18, 47,233.80 and 9,310.56 is: 13,960.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,500.18 : 47,233.80 = 9,310.56 : x
  2. Step 2: Convert to fraction form
    31,500.18/47,233.80 = 9,310.56/x
  3. Step 3: Cross multiply
    31,500.18x = 47,233.80 × 9,310.56
  4. Step 4: Simplify right side
    31,500.18x = 439,773,128.93
  5. Step 5: Solve for x
    x = 439,773,128.93/31,500.18
  6. Step 6: Final answer
    x = 13,960.97

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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.