Home / 35,959.04-49,622.10-20,042.72

Finding the Fourth Proportional to 35,959.04, 49,622.10 and 20,042.72

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Solution

The fourth proportional to 35,959.04, 49,622.10 and 20,042.72 is: 27,658.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,959.04 : 49,622.10 = 20,042.72 : x
  2. Step 2: Convert to fraction form
    35,959.04/49,622.10 = 20,042.72/x
  3. Step 3: Cross multiply
    35,959.04x = 49,622.10 × 20,042.72
  4. Step 4: Simplify right side
    35,959.04x = 994,561,856.11
  5. Step 5: Solve for x
    x = 994,561,856.11/35,959.04
  6. Step 6: Final answer
    x = 27,658.19

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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.