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Finding the Fourth Proportional to 60,079.66, 82,906.61 and 33,220.40

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Solution

The fourth proportional to 60,079.66, 82,906.61 and 33,220.40 is: 45,842.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,079.66 : 82,906.61 = 33,220.40 : x
  2. Step 2: Convert to fraction form
    60,079.66/82,906.61 = 33,220.40/x
  3. Step 3: Cross multiply
    60,079.66x = 82,906.61 × 33,220.40
  4. Step 4: Simplify right side
    60,079.66x = 2,754,190,166.21
  5. Step 5: Solve for x
    x = 2,754,190,166.21/60,079.66
  6. Step 6: Final answer
    x = 45,842.31

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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.