Home / 35,995.24-49,672.20-20,079.28

Finding the Fourth Proportional to 35,995.24, 49,672.20 and 20,079.28

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Solution

The fourth proportional to 35,995.24, 49,672.20 and 20,079.28 is: 27,708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,995.24 : 49,672.20 = 20,079.28 : x
  2. Step 2: Convert to fraction form
    35,995.24/49,672.20 = 20,079.28/x
  3. Step 3: Cross multiply
    35,995.24x = 49,672.20 × 20,079.28
  4. Step 4: Simplify right side
    35,995.24x = 997,382,012.02
  5. Step 5: Solve for x
    x = 997,382,012.02/35,995.24
  6. Step 6: Final answer
    x = 27,708.72

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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.