Home / 40,348.27-60,515.40-12,261.52

Finding the Fourth Proportional to 40,348.27, 60,515.40 and 12,261.52

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Solution

The fourth proportional to 40,348.27, 60,515.40 and 12,261.52 is: 18,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,348.27 : 60,515.40 = 12,261.52 : x
  2. Step 2: Convert to fraction form
    40,348.27/60,515.40 = 12,261.52/x
  3. Step 3: Cross multiply
    40,348.27x = 60,515.40 × 12,261.52
  4. Step 4: Simplify right side
    40,348.27x = 742,010,787.41
  5. Step 5: Solve for x
    x = 742,010,787.41/40,348.27
  6. Step 6: Final answer
    x = 18,390.15

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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.