Home / 35,251.42-48,642.46-20,145.06

Finding the Fourth Proportional to 35,251.42, 48,642.46 and 20,145.06

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Solution

The fourth proportional to 35,251.42, 48,642.46 and 20,145.06 is: 27,797.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,251.42 : 48,642.46 = 20,145.06 : x
  2. Step 2: Convert to fraction form
    35,251.42/48,642.46 = 20,145.06/x
  3. Step 3: Cross multiply
    35,251.42x = 48,642.46 × 20,145.06
  4. Step 4: Simplify right side
    35,251.42x = 979,905,275.25
  5. Step 5: Solve for x
    x = 979,905,275.25/35,251.42
  6. Step 6: Final answer
    x = 27,797.61

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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.