Home / 39,141.12-54,010.56-22,373.76

Finding the Fourth Proportional to 39,141.12, 54,010.56 and 22,373.76

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Solution

The fourth proportional to 39,141.12, 54,010.56 and 22,373.76 is: 30,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,141.12 : 54,010.56 = 22,373.76 : x
  2. Step 2: Convert to fraction form
    39,141.12/54,010.56 = 22,373.76/x
  3. Step 3: Cross multiply
    39,141.12x = 54,010.56 × 22,373.76
  4. Step 4: Simplify right side
    39,141.12x = 1,208,419,306.91
  5. Step 5: Solve for x
    x = 1,208,419,306.91/39,141.12
  6. Step 6: Final answer
    x = 30,873.40

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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.