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Finding the Fourth Proportional to 60,053.78, 82,872.76 and 33,195.60

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Solution

The fourth proportional to 60,053.78, 82,872.76 and 33,195.60 is: 45,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,053.78 : 82,872.76 = 33,195.60 : x
  2. Step 2: Convert to fraction form
    60,053.78/82,872.76 = 33,195.60/x
  3. Step 3: Cross multiply
    60,053.78x = 82,872.76 × 33,195.60
  4. Step 4: Simplify right side
    60,053.78x = 2,751,010,991.86
  5. Step 5: Solve for x
    x = 2,751,010,991.86/60,053.78
  6. Step 6: Final answer
    x = 45,809.12

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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.