Home / 31,989.24-44,147.30-18,560.49

Finding the Fourth Proportional to 31,989.24, 44,147.30 and 18,560.49

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Solution

The fourth proportional to 31,989.24, 44,147.30 and 18,560.49 is: 25,614.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,989.24 : 44,147.30 = 18,560.49 : x
  2. Step 2: Convert to fraction form
    31,989.24/44,147.30 = 18,560.49/x
  3. Step 3: Cross multiply
    31,989.24x = 44,147.30 × 18,560.49
  4. Step 4: Simplify right side
    31,989.24x = 819,395,520.18
  5. Step 5: Solve for x
    x = 819,395,520.18/31,989.24
  6. Step 6: Final answer
    x = 25,614.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.