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Finding the Fourth Proportional to 36,290.20, 50,077.02 and 20,371

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Solution

The fourth proportional to 36,290.20, 50,077.02 and 20,371 is: 28,110.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,290.20 : 50,077.02 = 20,371 : x
  2. Step 2: Convert to fraction form
    36,290.20/50,077.02 = 20,371/x
  3. Step 3: Cross multiply
    36,290.20x = 50,077.02 × 20,371
  4. Step 4: Simplify right side
    36,290.20x = 1,020,118,974.42
  5. Step 5: Solve for x
    x = 1,020,118,974.42/36,290.20
  6. Step 6: Final answer
    x = 28,110.04

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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.