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Finding the Fourth Proportional to 48,211.60, 72,264.60 and 17,030.80

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Solution

The fourth proportional to 48,211.60, 72,264.60 and 17,030.80 is: 25,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,211.60 : 72,264.60 = 17,030.80 : x
  2. Step 2: Convert to fraction form
    48,211.60/72,264.60 = 17,030.80/x
  3. Step 3: Cross multiply
    48,211.60x = 72,264.60 × 17,030.80
  4. Step 4: Simplify right side
    48,211.60x = 1,230,723,949.68
  5. Step 5: Solve for x
    x = 1,230,723,949.68/48,211.60
  6. Step 6: Final answer
    x = 25,527.55

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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.