Home / 31,327.02-43,231.32-17,180.19

Finding the Fourth Proportional to 31,327.02, 43,231.32 and 17,180.19

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Solution

The fourth proportional to 31,327.02, 43,231.32 and 17,180.19 is: 23,708.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,327.02 : 43,231.32 = 17,180.19 : x
  2. Step 2: Convert to fraction form
    31,327.02/43,231.32 = 17,180.19/x
  3. Step 3: Cross multiply
    31,327.02x = 43,231.32 × 17,180.19
  4. Step 4: Simplify right side
    31,327.02x = 742,722,291.55
  5. Step 5: Solve for x
    x = 742,722,291.55/31,327.02
  6. Step 6: Final answer
    x = 23,708.68

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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.