Home / 31,632.12-43,659-26,321.76

Finding the Fourth Proportional to 31,632.12, 43,659 and 26,321.76

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Solution

The fourth proportional to 31,632.12, 43,659 and 26,321.76 is: 36,329.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,632.12 : 43,659 = 26,321.76 : x
  2. Step 2: Convert to fraction form
    31,632.12/43,659 = 26,321.76/x
  3. Step 3: Cross multiply
    31,632.12x = 43,659 × 26,321.76
  4. Step 4: Simplify right side
    31,632.12x = 1,149,181,719.84
  5. Step 5: Solve for x
    x = 1,149,181,719.84/31,632.12
  6. Step 6: Final answer
    x = 36,329.58

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Double scale
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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.