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Finding the Fourth Proportional to 47,348.20, 70,973.70 and 27,616.60

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Solution

The fourth proportional to 47,348.20, 70,973.70 and 27,616.60 is: 41,396.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,348.20 : 70,973.70 = 27,616.60 : x
  2. Step 2: Convert to fraction form
    47,348.20/70,973.70 = 27,616.60/x
  3. Step 3: Cross multiply
    47,348.20x = 70,973.70 × 27,616.60
  4. Step 4: Simplify right side
    47,348.20x = 1,960,052,283.42
  5. Step 5: Solve for x
    x = 1,960,052,283.42/47,348.20
  6. Step 6: Final answer
    x = 41,396.55

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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.