Home / 36,909.38-50,937.68-20,998.95

Finding the Fourth Proportional to 36,909.38, 50,937.68 and 20,998.95

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Solution

The fourth proportional to 36,909.38, 50,937.68 and 20,998.95 is: 28,980.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,909.38 : 50,937.68 = 20,998.95 : x
  2. Step 2: Convert to fraction form
    36,909.38/50,937.68 = 20,998.95/x
  3. Step 3: Cross multiply
    36,909.38x = 50,937.68 × 20,998.95
  4. Step 4: Simplify right side
    36,909.38x = 1,069,637,690.44
  5. Step 5: Solve for x
    x = 1,069,637,690.44/36,909.38
  6. Step 6: Final answer
    x = 28,980.11

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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.