Home / 39,168.11-54,046.28-22,397.87

Finding the Fourth Proportional to 39,168.11, 54,046.28 and 22,397.87

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Solution

The fourth proportional to 39,168.11, 54,046.28 and 22,397.87 is: 30,905.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,168.11 : 54,046.28 = 22,397.87 : x
  2. Step 2: Convert to fraction form
    39,168.11/54,046.28 = 22,397.87/x
  3. Step 3: Cross multiply
    39,168.11x = 54,046.28 × 22,397.87
  4. Step 4: Simplify right side
    39,168.11x = 1,210,521,339.19
  5. Step 5: Solve for x
    x = 1,210,521,339.19/39,168.11
  6. Step 6: Final answer
    x = 30,905.79

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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.