Home / 38,313.18-52,855.64-21,951.69

Finding the Fourth Proportional to 38,313.18, 52,855.64 and 21,951.69

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Solution

The fourth proportional to 38,313.18, 52,855.64 and 21,951.69 is: 30,283.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,313.18 : 52,855.64 = 21,951.69 : x
  2. Step 2: Convert to fraction form
    38,313.18/52,855.64 = 21,951.69/x
  3. Step 3: Cross multiply
    38,313.18x = 52,855.64 × 21,951.69
  4. Step 4: Simplify right side
    38,313.18x = 1,160,270,514.27
  5. Step 5: Solve for x
    x = 1,160,270,514.27/38,313.18
  6. Step 6: Final answer
    x = 30,283.85

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Similar ratio
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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.