Home / 31,939.91-47,939.48-16,156.15

Finding the Fourth Proportional to 31,939.91, 47,939.48 and 16,156.15

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Solution

The fourth proportional to 31,939.91, 47,939.48 and 16,156.15 is: 24,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,939.91 : 47,939.48 = 16,156.15 : x
  2. Step 2: Convert to fraction form
    31,939.91/47,939.48 = 16,156.15/x
  3. Step 3: Cross multiply
    31,939.91x = 47,939.48 × 16,156.15
  4. Step 4: Simplify right side
    31,939.91x = 774,517,350.34
  5. Step 5: Solve for x
    x = 774,517,350.34/31,939.91
  6. Step 6: Final answer
    x = 24,249.20

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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.