Home / 39,358.64-54,318.12-22,592.72

Finding the Fourth Proportional to 39,358.64, 54,318.12 and 22,592.72

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Solution

The fourth proportional to 39,358.64, 54,318.12 and 22,592.72 is: 31,179.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,358.64 : 54,318.12 = 22,592.72 : x
  2. Step 2: Convert to fraction form
    39,358.64/54,318.12 = 22,592.72/x
  3. Step 3: Cross multiply
    39,358.64x = 54,318.12 × 22,592.72
  4. Step 4: Simplify right side
    39,358.64x = 1,227,194,076.09
  5. Step 5: Solve for x
    x = 1,227,194,076.09/39,358.64
  6. Step 6: Final answer
    x = 31,179.79

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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.