Home / 38,370.20-52,951.78-21,375.58

Finding the Fourth Proportional to 38,370.20, 52,951.78 and 21,375.58

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Solution

The fourth proportional to 38,370.20, 52,951.78 and 21,375.58 is: 29,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,370.20 : 52,951.78 = 21,375.58 : x
  2. Step 2: Convert to fraction form
    38,370.20/52,951.78 = 21,375.58/x
  3. Step 3: Cross multiply
    38,370.20x = 52,951.78 × 21,375.58
  4. Step 4: Simplify right side
    38,370.20x = 1,131,875,009.53
  5. Step 5: Solve for x
    x = 1,131,875,009.53/38,370.20
  6. Step 6: Final answer
    x = 29,498.80

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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.