Home / 38,302.39-57,455.10-13,344.97

Finding the Fourth Proportional to 38,302.39, 57,455.10 and 13,344.97

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Solution

The fourth proportional to 38,302.39, 57,455.10 and 13,344.97 is: 20,017.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,302.39 : 57,455.10 = 13,344.97 : x
  2. Step 2: Convert to fraction form
    38,302.39/57,455.10 = 13,344.97/x
  3. Step 3: Cross multiply
    38,302.39x = 57,455.10 × 13,344.97
  4. Step 4: Simplify right side
    38,302.39x = 766,736,585.85
  5. Step 5: Solve for x
    x = 766,736,585.85/38,302.39
  6. Step 6: Final answer
    x = 20,017.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.