Home / 40,370.66-60,562.14-20,642.55

Finding the Fourth Proportional to 40,370.66, 60,562.14 and 20,642.55

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Solution

The fourth proportional to 40,370.66, 60,562.14 and 20,642.55 is: 30,966.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,370.66 : 60,562.14 = 20,642.55 : x
  2. Step 2: Convert to fraction form
    40,370.66/60,562.14 = 20,642.55/x
  3. Step 3: Cross multiply
    40,370.66x = 60,562.14 × 20,642.55
  4. Step 4: Simplify right side
    40,370.66x = 1,250,157,003.06
  5. Step 5: Solve for x
    x = 1,250,157,003.06/40,370.66
  6. Step 6: Final answer
    x = 30,966.97

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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.