Home / 39,398.76-54,379.62-22,641.48

Finding the Fourth Proportional to 39,398.76, 54,379.62 and 22,641.48

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Solution

The fourth proportional to 39,398.76, 54,379.62 and 22,641.48 is: 31,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,398.76 : 54,379.62 = 22,641.48 : x
  2. Step 2: Convert to fraction form
    39,398.76/54,379.62 = 22,641.48/x
  3. Step 3: Cross multiply
    39,398.76x = 54,379.62 × 22,641.48
  4. Step 4: Simplify right side
    39,398.76x = 1,231,235,078.64
  5. Step 5: Solve for x
    x = 1,231,235,078.64/39,398.76
  6. Step 6: Final answer
    x = 31,250.60

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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.