Home / 39,404.64-54,376.16-22,406.52

Finding the Fourth Proportional to 39,404.64, 54,376.16 and 22,406.52

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Solution

The fourth proportional to 39,404.64, 54,376.16 and 22,406.52 is: 30,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,404.64 : 54,376.16 = 22,406.52 : x
  2. Step 2: Convert to fraction form
    39,404.64/54,376.16 = 22,406.52/x
  3. Step 3: Cross multiply
    39,404.64x = 54,376.16 × 22,406.52
  4. Step 4: Simplify right side
    39,404.64x = 1,218,380,516.56
  5. Step 5: Solve for x
    x = 1,218,380,516.56/39,404.64
  6. Step 6: Final answer
    x = 30,919.72

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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.