Home / 40,256.85-60,385.83-12,177.12

Finding the Fourth Proportional to 40,256.85, 60,385.83 and 12,177.12

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Solution

The fourth proportional to 40,256.85, 60,385.83 and 12,177.12 is: 18,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,256.85 : 60,385.83 = 12,177.12 : x
  2. Step 2: Convert to fraction form
    40,256.85/60,385.83 = 12,177.12/x
  3. Step 3: Cross multiply
    40,256.85x = 60,385.83 × 12,177.12
  4. Step 4: Simplify right side
    40,256.85x = 735,325,498.21
  5. Step 5: Solve for x
    x = 735,325,498.21/40,256.85
  6. Step 6: Final answer
    x = 18,265.85

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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.