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Finding the Fourth Proportional to 60,002.40, 82,801.80 and 33,142.80

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Solution

The fourth proportional to 60,002.40, 82,801.80 and 33,142.80 is: 45,736.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,002.40 : 82,801.80 = 33,142.80 : x
  2. Step 2: Convert to fraction form
    60,002.40/82,801.80 = 33,142.80/x
  3. Step 3: Cross multiply
    60,002.40x = 82,801.80 × 33,142.80
  4. Step 4: Simplify right side
    60,002.40x = 2,744,283,497.04
  5. Step 5: Solve for x
    x = 2,744,283,497.04/60,002.40
  6. Step 6: Final answer
    x = 45,736.23

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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.