Home / 31,897.92-44,018.46-18,471.60

Finding the Fourth Proportional to 31,897.92, 44,018.46 and 18,471.60

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Solution

The fourth proportional to 31,897.92, 44,018.46 and 18,471.60 is: 25,490.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,897.92 : 44,018.46 = 18,471.60 : x
  2. Step 2: Convert to fraction form
    31,897.92/44,018.46 = 18,471.60/x
  3. Step 3: Cross multiply
    31,897.92x = 44,018.46 × 18,471.60
  4. Step 4: Simplify right side
    31,897.92x = 813,091,385.74
  5. Step 5: Solve for x
    x = 813,091,385.74/31,897.92
  6. Step 6: Final answer
    x = 25,490.42

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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.