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Finding the Fourth Proportional to 48,304.80, 67,672.80 and 48,304.80

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Solution

The fourth proportional to 48,304.80, 67,672.80 and 48,304.80 is: 67,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,304.80 : 67,672.80 = 48,304.80 : x
  2. Step 2: Convert to fraction form
    48,304.80/67,672.80 = 48,304.80/x
  3. Step 3: Cross multiply
    48,304.80x = 67,672.80 × 48,304.80
  4. Step 4: Simplify right side
    48,304.80x = 3,268,921,069.44
  5. Step 5: Solve for x
    x = 3,268,921,069.44/48,304.80
  6. Step 6: Final answer
    x = 67,672.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.