Home / 39,326.76-54,217.86-38,103.72

Finding the Fourth Proportional to 39,326.76, 54,217.86 and 38,103.72

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Solution

The fourth proportional to 39,326.76, 54,217.86 and 38,103.72 is: 52,531.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,326.76 : 54,217.86 = 38,103.72 : x
  2. Step 2: Convert to fraction form
    39,326.76/54,217.86 = 38,103.72/x
  3. Step 3: Cross multiply
    39,326.76x = 54,217.86 × 38,103.72
  4. Step 4: Simplify right side
    39,326.76x = 2,065,902,156.44
  5. Step 5: Solve for x
    x = 2,065,902,156.44/39,326.76
  6. Step 6: Final answer
    x = 52,531.72

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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.