Home / 36,015.38-49,701.68-20,908.68

Finding the Fourth Proportional to 36,015.38, 49,701.68 and 20,908.68

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Solution

The fourth proportional to 36,015.38, 49,701.68 and 20,908.68 is: 28,854.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,015.38 : 49,701.68 = 20,908.68 : x
  2. Step 2: Convert to fraction form
    36,015.38/49,701.68 = 20,908.68/x
  3. Step 3: Cross multiply
    36,015.38x = 49,701.68 × 20,908.68
  4. Step 4: Simplify right side
    36,015.38x = 1,039,196,418.04
  5. Step 5: Solve for x
    x = 1,039,196,418.04/36,015.38
  6. Step 6: Final answer
    x = 28,854.24

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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.