Home / 35,988.38-49,650.57-20,872.56

Finding the Fourth Proportional to 35,988.38, 49,650.57 and 20,872.56

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Solution

The fourth proportional to 35,988.38, 49,650.57 and 20,872.56 is: 28,796.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,988.38 : 49,650.57 = 20,872.56 : x
  2. Step 2: Convert to fraction form
    35,988.38/49,650.57 = 20,872.56/x
  3. Step 3: Cross multiply
    35,988.38x = 49,650.57 × 20,872.56
  4. Step 4: Simplify right side
    35,988.38x = 1,036,334,501.36
  5. Step 5: Solve for x
    x = 1,036,334,501.36/35,988.38
  6. Step 6: Final answer
    x = 28,796.37

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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.