Home / 36,195.96-49,950.40-20,280.53

Finding the Fourth Proportional to 36,195.96, 49,950.40 and 20,280.53

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Solution

The fourth proportional to 36,195.96, 49,950.40 and 20,280.53 is: 27,987.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,195.96 : 49,950.40 = 20,280.53 : x
  2. Step 2: Convert to fraction form
    36,195.96/49,950.40 = 20,280.53/x
  3. Step 3: Cross multiply
    36,195.96x = 49,950.40 × 20,280.53
  4. Step 4: Simplify right side
    36,195.96x = 1,013,020,359.90
  5. Step 5: Solve for x
    x = 1,013,020,359.90/36,195.96
  6. Step 6: Final answer
    x = 27,987.11

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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.