Home / 39,397.26-54,377.55-22,639.98

Finding the Fourth Proportional to 39,397.26, 54,377.55 and 22,639.98

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Solution

The fourth proportional to 39,397.26, 54,377.55 and 22,639.98 is: 31,248.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,397.26 : 54,377.55 = 22,639.98 : x
  2. Step 2: Convert to fraction form
    39,397.26/54,377.55 = 22,639.98/x
  3. Step 3: Cross multiply
    39,397.26x = 54,377.55 × 22,639.98
  4. Step 4: Simplify right side
    39,397.26x = 1,231,106,644.45
  5. Step 5: Solve for x
    x = 1,231,106,644.45/39,397.26
  6. Step 6: Final answer
    x = 31,248.53

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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.