Home / 45,102.01-67,729.55-39,186.17

Finding the Fourth Proportional to 45,102.01, 67,729.55 and 39,186.17

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Solution

The fourth proportional to 45,102.01, 67,729.55 and 39,186.17 is: 58,845.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,102.01 : 67,729.55 = 39,186.17 : x
  2. Step 2: Convert to fraction form
    45,102.01/67,729.55 = 39,186.17/x
  3. Step 3: Cross multiply
    45,102.01x = 67,729.55 × 39,186.17
  4. Step 4: Simplify right side
    45,102.01x = 2,654,061,660.32
  5. Step 5: Solve for x
    x = 2,654,061,660.32/45,102.01
  6. Step 6: Final answer
    x = 58,845.75

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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.