Home / 38,680.80-53,375.28-22,770.24

Finding the Fourth Proportional to 38,680.80, 53,375.28 and 22,770.24

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Solution

The fourth proportional to 38,680.80, 53,375.28 and 22,770.24 is: 31,420.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,680.80 : 53,375.28 = 22,770.24 : x
  2. Step 2: Convert to fraction form
    38,680.80/53,375.28 = 22,770.24/x
  3. Step 3: Cross multiply
    38,680.80x = 53,375.28 × 22,770.24
  4. Step 4: Simplify right side
    38,680.80x = 1,215,367,935.67
  5. Step 5: Solve for x
    x = 1,215,367,935.67/38,680.80
  6. Step 6: Final answer
    x = 31,420.44

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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.