Home / 40,185.12-60,276.88-12,483.04

Finding the Fourth Proportional to 40,185.12, 60,276.88 and 12,483.04

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Solution

The fourth proportional to 40,185.12, 60,276.88 and 12,483.04 is: 18,724.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,185.12 : 60,276.88 = 12,483.04 : x
  2. Step 2: Convert to fraction form
    40,185.12/60,276.88 = 12,483.04/x
  3. Step 3: Cross multiply
    40,185.12x = 60,276.88 × 12,483.04
  4. Step 4: Simplify right side
    40,185.12x = 752,438,704.12
  5. Step 5: Solve for x
    x = 752,438,704.12/40,185.12
  6. Step 6: Final answer
    x = 18,724.31

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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.