Home / 38,442.40-57,663.60-33,680.80

Finding the Fourth Proportional to 38,442.40, 57,663.60 and 33,680.80

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Solution

The fourth proportional to 38,442.40, 57,663.60 and 33,680.80 is: 50,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,442.40 : 57,663.60 = 33,680.80 : x
  2. Step 2: Convert to fraction form
    38,442.40/57,663.60 = 33,680.80/x
  3. Step 3: Cross multiply
    38,442.40x = 57,663.60 × 33,680.80
  4. Step 4: Simplify right side
    38,442.40x = 1,942,156,178.88
  5. Step 5: Solve for x
    x = 1,942,156,178.88/38,442.40
  6. Step 6: Final answer
    x = 50,521.20

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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.