Home / 48,228.36-72,354-20,132.84

Finding the Fourth Proportional to 48,228.36, 72,354 and 20,132.84

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Solution

The fourth proportional to 48,228.36, 72,354 and 20,132.84 is: 30,204.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,228.36 : 72,354 = 20,132.84 : x
  2. Step 2: Convert to fraction form
    48,228.36/72,354 = 20,132.84/x
  3. Step 3: Cross multiply
    48,228.36x = 72,354 × 20,132.84
  4. Step 4: Simplify right side
    48,228.36x = 1,456,691,505.36
  5. Step 5: Solve for x
    x = 1,456,691,505.36/48,228.36
  6. Step 6: Final answer
    x = 30,204.04

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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.