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Finding the Fourth Proportional to 60,121.47, 82,961.10 and 33,259.71

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Solution

The fourth proportional to 60,121.47, 82,961.10 and 33,259.71 is: 45,894.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,121.47 : 82,961.10 = 33,259.71 : x
  2. Step 2: Convert to fraction form
    60,121.47/82,961.10 = 33,259.71/x
  3. Step 3: Cross multiply
    60,121.47x = 82,961.10 × 33,259.71
  4. Step 4: Simplify right side
    60,121.47x = 2,759,262,127.28
  5. Step 5: Solve for x
    x = 2,759,262,127.28/60,121.47
  6. Step 6: Final answer
    x = 45,894.79

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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.