Home / 38,377.20-52,951.32-21,610.20

Finding the Fourth Proportional to 38,377.20, 52,951.32 and 21,610.20

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Solution

The fourth proportional to 38,377.20, 52,951.32 and 21,610.20 is: 29,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,377.20 : 52,951.32 = 21,610.20 : x
  2. Step 2: Convert to fraction form
    38,377.20/52,951.32 = 21,610.20/x
  3. Step 3: Cross multiply
    38,377.20x = 52,951.32 × 21,610.20
  4. Step 4: Simplify right side
    38,377.20x = 1,144,288,615.46
  5. Step 5: Solve for x
    x = 1,144,288,615.46/38,377.20
  6. Step 6: Final answer
    x = 29,816.89

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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.