Home / 40,257.85-60,387.33-12,178.12

Finding the Fourth Proportional to 40,257.85, 60,387.33 and 12,178.12

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Solution

The fourth proportional to 40,257.85, 60,387.33 and 12,178.12 is: 18,267.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,257.85 : 60,387.33 = 12,178.12 : x
  2. Step 2: Convert to fraction form
    40,257.85/60,387.33 = 12,178.12/x
  3. Step 3: Cross multiply
    40,257.85x = 60,387.33 × 12,178.12
  4. Step 4: Simplify right side
    40,257.85x = 735,404,151.22
  5. Step 5: Solve for x
    x = 735,404,151.22/40,257.85
  6. Step 6: Final answer
    x = 18,267.35

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1.5x scale

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.