Home / 40,654.56-60,937.36-20,934.30

Finding the Fourth Proportional to 40,654.56, 60,937.36 and 20,934.30

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Solution

The fourth proportional to 40,654.56, 60,937.36 and 20,934.30 is: 31,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,654.56 : 60,937.36 = 20,934.30 : x
  2. Step 2: Convert to fraction form
    40,654.56/60,937.36 = 20,934.30/x
  3. Step 3: Cross multiply
    40,654.56x = 60,937.36 × 20,934.30
  4. Step 4: Simplify right side
    40,654.56x = 1,275,680,975.45
  5. Step 5: Solve for x
    x = 1,275,680,975.45/40,654.56
  6. Step 6: Final answer
    x = 31,378.55

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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.