Home / 35,150.67-48,508.11-21,718.89

Finding the Fourth Proportional to 35,150.67, 48,508.11 and 21,718.89

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Solution

The fourth proportional to 35,150.67, 48,508.11 and 21,718.89 is: 29,972.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,150.67 : 48,508.11 = 21,718.89 : x
  2. Step 2: Convert to fraction form
    35,150.67/48,508.11 = 21,718.89/x
  3. Step 3: Cross multiply
    35,150.67x = 48,508.11 × 21,718.89
  4. Step 4: Simplify right side
    35,150.67x = 1,053,542,305.20
  5. Step 5: Solve for x
    x = 1,053,542,305.20/35,150.67
  6. Step 6: Final answer
    x = 29,972.18

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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.