Home / 48,374.48-72,589.75-20,292.03

Finding the Fourth Proportional to 48,374.48, 72,589.75 and 20,292.03

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Solution

The fourth proportional to 48,374.48, 72,589.75 and 20,292.03 is: 30,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,374.48 : 72,589.75 = 20,292.03 : x
  2. Step 2: Convert to fraction form
    48,374.48/72,589.75 = 20,292.03/x
  3. Step 3: Cross multiply
    48,374.48x = 72,589.75 × 20,292.03
  4. Step 4: Simplify right side
    48,374.48x = 1,472,993,333.96
  5. Step 5: Solve for x
    x = 1,472,993,333.96/48,374.48
  6. Step 6: Final answer
    x = 30,449.80

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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.