Home / 39,231.58-54,139.36-22,239.04

Finding the Fourth Proportional to 39,231.58, 54,139.36 and 22,239.04

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Solution

The fourth proportional to 39,231.58, 54,139.36 and 22,239.04 is: 30,689.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,231.58 : 54,139.36 = 22,239.04 : x
  2. Step 2: Convert to fraction form
    39,231.58/54,139.36 = 22,239.04/x
  3. Step 3: Cross multiply
    39,231.58x = 54,139.36 × 22,239.04
  4. Step 4: Simplify right side
    39,231.58x = 1,204,007,392.61
  5. Step 5: Solve for x
    x = 1,204,007,392.61/39,231.58
  6. Step 6: Final answer
    x = 30,689.75

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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.