Home / 31,334.97-47,006.85-9,149.99

Finding the Fourth Proportional to 31,334.97, 47,006.85 and 9,149.99

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Solution

The fourth proportional to 31,334.97, 47,006.85 and 9,149.99 is: 13,726.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,334.97 : 47,006.85 = 9,149.99 : x
  2. Step 2: Convert to fraction form
    31,334.97/47,006.85 = 9,149.99/x
  3. Step 3: Cross multiply
    31,334.97x = 47,006.85 × 9,149.99
  4. Step 4: Simplify right side
    31,334.97x = 430,111,972.40
  5. Step 5: Solve for x
    x = 430,111,972.40/31,334.97
  6. Step 6: Final answer
    x = 13,726.26

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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.