Home / 38,005.38-52,451.85-31,620.71

Finding the Fourth Proportional to 38,005.38, 52,451.85 and 31,620.71

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Solution

The fourth proportional to 38,005.38, 52,451.85 and 31,620.71 is: 43,640.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,005.38 : 52,451.85 = 31,620.71 : x
  2. Step 2: Convert to fraction form
    38,005.38/52,451.85 = 31,620.71/x
  3. Step 3: Cross multiply
    38,005.38x = 52,451.85 × 31,620.71
  4. Step 4: Simplify right side
    38,005.38x = 1,658,564,475.55
  5. Step 5: Solve for x
    x = 1,658,564,475.55/38,005.38
  6. Step 6: Final answer
    x = 43,640.26

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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.