Home / 31,744.85-47,648.25-15,116.36

Finding the Fourth Proportional to 31,744.85, 47,648.25 and 15,116.36

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Solution

The fourth proportional to 31,744.85, 47,648.25 and 15,116.36 is: 22,689.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,744.85 : 47,648.25 = 15,116.36 : x
  2. Step 2: Convert to fraction form
    31,744.85/47,648.25 = 15,116.36/x
  3. Step 3: Cross multiply
    31,744.85x = 47,648.25 × 15,116.36
  4. Step 4: Simplify right side
    31,744.85x = 720,267,862.13
  5. Step 5: Solve for x
    x = 720,267,862.13/31,744.85
  6. Step 6: Final answer
    x = 22,689.29

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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.