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Finding the Fourth Proportional to 36,648.60, 50,593.50 and 30,658.20

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Solution

The fourth proportional to 36,648.60, 50,593.50 and 30,658.20 is: 42,323.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,648.60 : 50,593.50 = 30,658.20 : x
  2. Step 2: Convert to fraction form
    36,648.60/50,593.50 = 30,658.20/x
  3. Step 3: Cross multiply
    36,648.60x = 50,593.50 × 30,658.20
  4. Step 4: Simplify right side
    36,648.60x = 1,551,105,641.70
  5. Step 5: Solve for x
    x = 1,551,105,641.70/36,648.60
  6. Step 6: Final answer
    x = 42,323.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.