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Finding the Fourth Proportional to 48,304.40, 72,456.60 and 36,640.40

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Solution

The fourth proportional to 48,304.40, 72,456.60 and 36,640.40 is: 54,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,304.40 : 72,456.60 = 36,640.40 : x
  2. Step 2: Convert to fraction form
    48,304.40/72,456.60 = 36,640.40/x
  3. Step 3: Cross multiply
    48,304.40x = 72,456.60 × 36,640.40
  4. Step 4: Simplify right side
    48,304.40x = 2,654,838,806.64
  5. Step 5: Solve for x
    x = 2,654,838,806.64/48,304.40
  6. Step 6: Final answer
    x = 54,960.60

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1.5x scale

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.