Home / 38,631.12-57,800.88-25,499.40

Finding the Fourth Proportional to 38,631.12, 57,800.88 and 25,499.40

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Solution

The fourth proportional to 38,631.12, 57,800.88 and 25,499.40 is: 38,152.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,631.12 : 57,800.88 = 25,499.40 : x
  2. Step 2: Convert to fraction form
    38,631.12/57,800.88 = 25,499.40/x
  3. Step 3: Cross multiply
    38,631.12x = 57,800.88 × 25,499.40
  4. Step 4: Simplify right side
    38,631.12x = 1,473,887,759.47
  5. Step 5: Solve for x
    x = 1,473,887,759.47/38,631.12
  6. Step 6: Final answer
    x = 38,152.86

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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.