Home / 31,402.71-47,104.17-7,710.36

Finding the Fourth Proportional to 31,402.71, 47,104.17 and 7,710.36

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Solution

The fourth proportional to 31,402.71, 47,104.17 and 7,710.36 is: 11,565.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.71 : 47,104.17 = 7,710.36 : x
  2. Step 2: Convert to fraction form
    31,402.71/47,104.17 = 7,710.36/x
  3. Step 3: Cross multiply
    31,402.71x = 47,104.17 × 7,710.36
  4. Step 4: Simplify right side
    31,402.71x = 363,190,108.20
  5. Step 5: Solve for x
    x = 363,190,108.20/31,402.71
  6. Step 6: Final answer
    x = 11,565.57

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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.