Home / 35,516.80-49,015.56-20,414.38

Finding the Fourth Proportional to 35,516.80, 49,015.56 and 20,414.38

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Solution

The fourth proportional to 35,516.80, 49,015.56 and 20,414.38 is: 28,173.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,516.80 : 49,015.56 = 20,414.38 : x
  2. Step 2: Convert to fraction form
    35,516.80/49,015.56 = 20,414.38/x
  3. Step 3: Cross multiply
    35,516.80x = 49,015.56 × 20,414.38
  4. Step 4: Simplify right side
    35,516.80x = 1,000,622,267.75
  5. Step 5: Solve for x
    x = 1,000,622,267.75/35,516.80
  6. Step 6: Final answer
    x = 28,173.21

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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.