Home / 36,004.87-49,689.12-20,089.68

Finding the Fourth Proportional to 36,004.87, 49,689.12 and 20,089.68

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Solution

The fourth proportional to 36,004.87, 49,689.12 and 20,089.68 is: 27,725.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,004.87 : 49,689.12 = 20,089.68 : x
  2. Step 2: Convert to fraction form
    36,004.87/49,689.12 = 20,089.68/x
  3. Step 3: Cross multiply
    36,004.87x = 49,689.12 × 20,089.68
  4. Step 4: Simplify right side
    36,004.87x = 998,238,520.28
  5. Step 5: Solve for x
    x = 998,238,520.28/36,004.87
  6. Step 6: Final answer
    x = 27,725.10

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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.