Home / 38,696.11-58,046.92-13,385.13

Finding the Fourth Proportional to 38,696.11, 58,046.92 and 13,385.13

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Solution

The fourth proportional to 38,696.11, 58,046.92 and 13,385.13 is: 20,078.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,696.11 : 58,046.92 = 13,385.13 : x
  2. Step 2: Convert to fraction form
    38,696.11/58,046.92 = 13,385.13/x
  3. Step 3: Cross multiply
    38,696.11x = 58,046.92 × 13,385.13
  4. Step 4: Simplify right side
    38,696.11x = 776,965,319.16
  5. Step 5: Solve for x
    x = 776,965,319.16/38,696.11
  6. Step 6: Final answer
    x = 20,078.64

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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.