Home / 40,319.40-60,335.10-25,535.40

Finding the Fourth Proportional to 40,319.40, 60,335.10 and 25,535.40

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Solution

The fourth proportional to 40,319.40, 60,335.10 and 25,535.40 is: 38,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,319.40 : 60,335.10 = 25,535.40 : x
  2. Step 2: Convert to fraction form
    40,319.40/60,335.10 = 25,535.40/x
  3. Step 3: Cross multiply
    40,319.40x = 60,335.10 × 25,535.40
  4. Step 4: Simplify right side
    40,319.40x = 1,540,680,912.54
  5. Step 5: Solve for x
    x = 1,540,680,912.54/40,319.40
  6. Step 6: Final answer
    x = 38,211.90

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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.