Home / 36,022.80-49,711.10-20,109.98

Finding the Fourth Proportional to 36,022.80, 49,711.10 and 20,109.98

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Solution

The fourth proportional to 36,022.80, 49,711.10 and 20,109.98 is: 27,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,022.80 : 49,711.10 = 20,109.98 : x
  2. Step 2: Convert to fraction form
    36,022.80/49,711.10 = 20,109.98/x
  3. Step 3: Cross multiply
    36,022.80x = 49,711.10 × 20,109.98
  4. Step 4: Simplify right side
    36,022.80x = 999,689,226.78
  5. Step 5: Solve for x
    x = 999,689,226.78/36,022.80
  6. Step 6: Final answer
    x = 27,751.57

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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.