Home / 48,140.40-72,016.20-41,638.80

Finding the Fourth Proportional to 48,140.40, 72,016.20 and 41,638.80

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Solution

The fourth proportional to 48,140.40, 72,016.20 and 41,638.80 is: 62,290.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,140.40 : 72,016.20 = 41,638.80 : x
  2. Step 2: Convert to fraction form
    48,140.40/72,016.20 = 41,638.80/x
  3. Step 3: Cross multiply
    48,140.40x = 72,016.20 × 41,638.80
  4. Step 4: Simplify right side
    48,140.40x = 2,998,668,148.56
  5. Step 5: Solve for x
    x = 2,998,668,148.56/48,140.40
  6. Step 6: Final answer
    x = 62,290.05

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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.