Home / 36,909.25-50,937.50-20,998.83

Finding the Fourth Proportional to 36,909.25, 50,937.50 and 20,998.83

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Solution

The fourth proportional to 36,909.25, 50,937.50 and 20,998.83 is: 28,979.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,909.25 : 50,937.50 = 20,998.83 : x
  2. Step 2: Convert to fraction form
    36,909.25/50,937.50 = 20,998.83/x
  3. Step 3: Cross multiply
    36,909.25x = 50,937.50 × 20,998.83
  4. Step 4: Simplify right side
    36,909.25x = 1,069,627,700.93
  5. Step 5: Solve for x
    x = 1,069,627,700.93/36,909.25
  6. Step 6: Final answer
    x = 28,979.94

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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.