Home / 39,520.12-54,534.46-22,291.53

Finding the Fourth Proportional to 39,520.12, 54,534.46 and 22,291.53

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Solution

The fourth proportional to 39,520.12, 54,534.46 and 22,291.53 is: 30,760.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,520.12 : 54,534.46 = 22,291.53 : x
  2. Step 2: Convert to fraction form
    39,520.12/54,534.46 = 22,291.53/x
  3. Step 3: Cross multiply
    39,520.12x = 54,534.46 × 22,291.53
  4. Step 4: Simplify right side
    39,520.12x = 1,215,656,470.39
  5. Step 5: Solve for x
    x = 1,215,656,470.39/39,520.12
  6. Step 6: Final answer
    x = 30,760.45

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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.