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Finding the Fourth Proportional to 60,029.96, 82,839.12 and 33,171.92

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Solution

The fourth proportional to 60,029.96, 82,839.12 and 33,171.92 is: 45,776.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,029.96 : 82,839.12 = 33,171.92 : x
  2. Step 2: Convert to fraction form
    60,029.96/82,839.12 = 33,171.92/x
  3. Step 3: Cross multiply
    60,029.96x = 82,839.12 × 33,171.92
  4. Step 4: Simplify right side
    60,029.96x = 2,747,932,661.51
  5. Step 5: Solve for x
    x = 2,747,932,661.51/60,029.96
  6. Step 6: Final answer
    x = 45,776.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.