Home / 38,468.20-57,702.30-31,901.80

Finding the Fourth Proportional to 38,468.20, 57,702.30 and 31,901.80

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Solution

The fourth proportional to 38,468.20, 57,702.30 and 31,901.80 is: 47,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,468.20 : 57,702.30 = 31,901.80 : x
  2. Step 2: Convert to fraction form
    38,468.20/57,702.30 = 31,901.80/x
  3. Step 3: Cross multiply
    38,468.20x = 57,702.30 × 31,901.80
  4. Step 4: Simplify right side
    38,468.20x = 1,840,807,234.14
  5. Step 5: Solve for x
    x = 1,840,807,234.14/38,468.20
  6. Step 6: Final answer
    x = 47,852.70

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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.