Home / 38,620.38-53,320.20-29,650.02

Finding the Fourth Proportional to 38,620.38, 53,320.20 and 29,650.02

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Solution

The fourth proportional to 38,620.38, 53,320.20 and 29,650.02 is: 40,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,620.38 : 53,320.20 = 29,650.02 : x
  2. Step 2: Convert to fraction form
    38,620.38/53,320.20 = 29,650.02/x
  3. Step 3: Cross multiply
    38,620.38x = 53,320.20 × 29,650.02
  4. Step 4: Simplify right side
    38,620.38x = 1,580,944,996.40
  5. Step 5: Solve for x
    x = 1,580,944,996.40/38,620.38
  6. Step 6: Final answer
    x = 40,935.51

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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.