Home / 41,287.20-61,930.80-25,713.60

Finding the Fourth Proportional to 41,287.20, 61,930.80 and 25,713.60

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Solution

The fourth proportional to 41,287.20, 61,930.80 and 25,713.60 is: 38,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,287.20 : 61,930.80 = 25,713.60 : x
  2. Step 2: Convert to fraction form
    41,287.20/61,930.80 = 25,713.60/x
  3. Step 3: Cross multiply
    41,287.20x = 61,930.80 × 25,713.60
  4. Step 4: Simplify right side
    41,287.20x = 1,592,463,818.88
  5. Step 5: Solve for x
    x = 1,592,463,818.88/41,287.20
  6. Step 6: Final answer
    x = 38,570.40

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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.