Home / 35,986.38-49,661.28-20,070.42

Finding the Fourth Proportional to 35,986.38, 49,661.28 and 20,070.42

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Solution

The fourth proportional to 35,986.38, 49,661.28 and 20,070.42 is: 27,697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,986.38 : 49,661.28 = 20,070.42 : x
  2. Step 2: Convert to fraction form
    35,986.38/49,661.28 = 20,070.42/x
  3. Step 3: Cross multiply
    35,986.38x = 49,661.28 × 20,070.42
  4. Step 4: Simplify right side
    35,986.38x = 996,722,747.34
  5. Step 5: Solve for x
    x = 996,722,747.34/35,986.38
  6. Step 6: Final answer
    x = 27,697.22

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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.