Home / 31,177.95-43,023.96-17,028.06

Finding the Fourth Proportional to 31,177.95, 43,023.96 and 17,028.06

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Solution

The fourth proportional to 31,177.95, 43,023.96 and 17,028.06 is: 23,497.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177.95 : 43,023.96 = 17,028.06 : x
  2. Step 2: Convert to fraction form
    31,177.95/43,023.96 = 17,028.06/x
  3. Step 3: Cross multiply
    31,177.95x = 43,023.96 × 17,028.06
  4. Step 4: Simplify right side
    31,177.95x = 732,614,572.32
  5. Step 5: Solve for x
    x = 732,614,572.32/31,177.95
  6. Step 6: Final answer
    x = 23,497.84

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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.