Home / 40,867.40-61,331.52-30,361.88

Finding the Fourth Proportional to 40,867.40, 61,331.52 and 30,361.88

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Solution

The fourth proportional to 40,867.40, 61,331.52 and 30,361.88 is: 45,565.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,867.40 : 61,331.52 = 30,361.88 : x
  2. Step 2: Convert to fraction form
    40,867.40/61,331.52 = 30,361.88/x
  3. Step 3: Cross multiply
    40,867.40x = 61,331.52 × 30,361.88
  4. Step 4: Simplify right side
    40,867.40x = 1,862,140,250.46
  5. Step 5: Solve for x
    x = 1,862,140,250.46/40,867.40
  6. Step 6: Final answer
    x = 45,565.42

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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.