Home / 31,712.43-47,569.11-15,074.17

Finding the Fourth Proportional to 31,712.43, 47,569.11 and 15,074.17

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Solution

The fourth proportional to 31,712.43, 47,569.11 and 15,074.17 is: 22,611.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,712.43 : 47,569.11 = 15,074.17 : x
  2. Step 2: Convert to fraction form
    31,712.43/47,569.11 = 15,074.17/x
  3. Step 3: Cross multiply
    31,712.43x = 47,569.11 × 15,074.17
  4. Step 4: Simplify right side
    31,712.43x = 717,064,850.89
  5. Step 5: Solve for x
    x = 717,064,850.89/31,712.43
  6. Step 6: Final answer
    x = 22,611.48

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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.