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Finding the Fourth Proportional to 54,010.20, 81,101.70 and 36,557.40

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Solution

The fourth proportional to 54,010.20, 81,101.70 and 36,557.40 is: 54,894.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,010.20 : 81,101.70 = 36,557.40 : x
  2. Step 2: Convert to fraction form
    54,010.20/81,101.70 = 36,557.40/x
  3. Step 3: Cross multiply
    54,010.20x = 81,101.70 × 36,557.40
  4. Step 4: Simplify right side
    54,010.20x = 2,964,867,287.58
  5. Step 5: Solve for x
    x = 2,964,867,287.58/54,010.20
  6. Step 6: Final answer
    x = 54,894.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.