Home / 48,848.40-73,234.33-20,772.79

Finding the Fourth Proportional to 48,848.40, 73,234.33 and 20,772.79

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Solution

The fourth proportional to 48,848.40, 73,234.33 and 20,772.79 is: 31,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,848.40 : 73,234.33 = 20,772.79 : x
  2. Step 2: Convert to fraction form
    48,848.40/73,234.33 = 20,772.79/x
  3. Step 3: Cross multiply
    48,848.40x = 73,234.33 × 20,772.79
  4. Step 4: Simplify right side
    48,848.40x = 1,521,281,122.86
  5. Step 5: Solve for x
    x = 1,521,281,122.86/48,848.40
  6. Step 6: Final answer
    x = 31,142.91

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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.