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Finding the Fourth Proportional to 40,477.80, 60,690.30 and 36,330.60

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Solution

The fourth proportional to 40,477.80, 60,690.30 and 36,330.60 is: 54,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,477.80 : 60,690.30 = 36,330.60 : x
  2. Step 2: Convert to fraction form
    40,477.80/60,690.30 = 36,330.60/x
  3. Step 3: Cross multiply
    40,477.80x = 60,690.30 × 36,330.60
  4. Step 4: Simplify right side
    40,477.80x = 2,204,915,013.18
  5. Step 5: Solve for x
    x = 2,204,915,013.18/40,477.80
  6. Step 6: Final answer
    x = 54,472.20

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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.