Home / 36,033.64-49,728.89-20,117.76

Finding the Fourth Proportional to 36,033.64, 49,728.89 and 20,117.76

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Solution

The fourth proportional to 36,033.64, 49,728.89 and 20,117.76 is: 27,763.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,033.64 : 49,728.89 = 20,117.76 : x
  2. Step 2: Convert to fraction form
    36,033.64/49,728.89 = 20,117.76/x
  3. Step 3: Cross multiply
    36,033.64x = 49,728.89 × 20,117.76
  4. Step 4: Simplify right side
    36,033.64x = 1,000,433,874.09
  5. Step 5: Solve for x
    x = 1,000,433,874.09/36,033.64
  6. Step 6: Final answer
    x = 27,763.89

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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.