Home / 48,648.32-72,915.36-20,562.56

Finding the Fourth Proportional to 48,648.32, 72,915.36 and 20,562.56

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Solution

The fourth proportional to 48,648.32, 72,915.36 and 20,562.56 is: 30,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,648.32 : 72,915.36 = 20,562.56 : x
  2. Step 2: Convert to fraction form
    48,648.32/72,915.36 = 20,562.56/x
  3. Step 3: Cross multiply
    48,648.32x = 72,915.36 × 20,562.56
  4. Step 4: Simplify right side
    48,648.32x = 1,499,326,464.92
  5. Step 5: Solve for x
    x = 1,499,326,464.92/48,648.32
  6. Step 6: Final answer
    x = 30,819.70

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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.