Home / 48,331.40-72,525.33-20,249.06

Finding the Fourth Proportional to 48,331.40, 72,525.33 and 20,249.06

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Solution

The fourth proportional to 48,331.40, 72,525.33 and 20,249.06 is: 30,385.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,331.40 : 72,525.33 = 20,249.06 : x
  2. Step 2: Convert to fraction form
    48,331.40/72,525.33 = 20,249.06/x
  3. Step 3: Cross multiply
    48,331.40x = 72,525.33 × 20,249.06
  4. Step 4: Simplify right side
    48,331.40x = 1,468,569,294.82
  5. Step 5: Solve for x
    x = 1,468,569,294.82/48,331.40
  6. Step 6: Final answer
    x = 30,385.41

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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.