Home / 40,262.24-60,385.80-13,961.60

Finding the Fourth Proportional to 40,262.24, 60,385.80 and 13,961.60

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Solution

The fourth proportional to 40,262.24, 60,385.80 and 13,961.60 is: 20,939.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,262.24 : 60,385.80 = 13,961.60 : x
  2. Step 2: Convert to fraction form
    40,262.24/60,385.80 = 13,961.60/x
  3. Step 3: Cross multiply
    40,262.24x = 60,385.80 × 13,961.60
  4. Step 4: Simplify right side
    40,262.24x = 843,082,385.28
  5. Step 5: Solve for x
    x = 843,082,385.28/40,262.24
  6. Step 6: Final answer
    x = 20,939.78

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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.