Home / 39,488.22-54,436.05-30,040.38

Finding the Fourth Proportional to 39,488.22, 54,436.05 and 30,040.38

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Solution

The fourth proportional to 39,488.22, 54,436.05 and 30,040.38 is: 41,411.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,488.22 : 54,436.05 = 30,040.38 : x
  2. Step 2: Convert to fraction form
    39,488.22/54,436.05 = 30,040.38/x
  3. Step 3: Cross multiply
    39,488.22x = 54,436.05 × 30,040.38
  4. Step 4: Simplify right side
    39,488.22x = 1,635,279,627.70
  5. Step 5: Solve for x
    x = 1,635,279,627.70/39,488.22
  6. Step 6: Final answer
    x = 41,411.83

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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.