Home / 40,891.20-61,261.20-23,308.80

Finding the Fourth Proportional to 40,891.20, 61,261.20 and 23,308.80

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Solution

The fourth proportional to 40,891.20, 61,261.20 and 23,308.80 is: 34,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,891.20 : 61,261.20 = 23,308.80 : x
  2. Step 2: Convert to fraction form
    40,891.20/61,261.20 = 23,308.80/x
  3. Step 3: Cross multiply
    40,891.20x = 61,261.20 × 23,308.80
  4. Step 4: Simplify right side
    40,891.20x = 1,427,925,058.56
  5. Step 5: Solve for x
    x = 1,427,925,058.56/40,891.20
  6. Step 6: Final answer
    x = 34,920.11

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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.