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Finding the Fourth Proportional to 59,234.80, 88,706.40 and 28,033.60

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Solution

The fourth proportional to 59,234.80, 88,706.40 and 28,033.60 is: 41,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,234.80 : 88,706.40 = 28,033.60 : x
  2. Step 2: Convert to fraction form
    59,234.80/88,706.40 = 28,033.60/x
  3. Step 3: Cross multiply
    59,234.80x = 88,706.40 × 28,033.60
  4. Step 4: Simplify right side
    59,234.80x = 2,486,759,735.04
  5. Step 5: Solve for x
    x = 2,486,759,735.04/59,234.80
  6. Step 6: Final answer
    x = 41,981.40

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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.