Home / 48,001.20-72,040.31-21,708.24

Finding the Fourth Proportional to 48,001.20, 72,040.31 and 21,708.24

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Solution

The fourth proportional to 48,001.20, 72,040.31 and 21,708.24 is: 32,579.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,001.20 : 72,040.31 = 21,708.24 : x
  2. Step 2: Convert to fraction form
    48,001.20/72,040.31 = 21,708.24/x
  3. Step 3: Cross multiply
    48,001.20x = 72,040.31 × 21,708.24
  4. Step 4: Simplify right side
    48,001.20x = 1,563,868,339.15
  5. Step 5: Solve for x
    x = 1,563,868,339.15/48,001.20
  6. Step 6: Final answer
    x = 32,579.78

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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.