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Finding the Fourth Proportional to 48,174.40, 66,470.70 and 33,061.56

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Solution

The fourth proportional to 48,174.40, 66,470.70 and 33,061.56 is: 45,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,174.40 : 66,470.70 = 33,061.56 : x
  2. Step 2: Convert to fraction form
    48,174.40/66,470.70 = 33,061.56/x
  3. Step 3: Cross multiply
    48,174.40x = 66,470.70 × 33,061.56
  4. Step 4: Simplify right side
    48,174.40x = 2,197,625,036.29
  5. Step 5: Solve for x
    x = 2,197,625,036.29/48,174.40
  6. Step 6: Final answer
    x = 45,618.11

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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.