Home / 36,834.66-50,830.20-20,918.88

Finding the Fourth Proportional to 36,834.66, 50,830.20 and 20,918.88

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Solution

The fourth proportional to 36,834.66, 50,830.20 and 20,918.88 is: 28,867.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,834.66 : 50,830.20 = 20,918.88 : x
  2. Step 2: Convert to fraction form
    36,834.66/50,830.20 = 20,918.88/x
  3. Step 3: Cross multiply
    36,834.66x = 50,830.20 × 20,918.88
  4. Step 4: Simplify right side
    36,834.66x = 1,063,310,854.18
  5. Step 5: Solve for x
    x = 1,063,310,854.18/36,834.66
  6. Step 6: Final answer
    x = 28,867.13

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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.