Home / 31,275.18-43,158.83-17,127.72

Finding the Fourth Proportional to 31,275.18, 43,158.83 and 17,127.72

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Solution

The fourth proportional to 31,275.18, 43,158.83 and 17,127.72 is: 23,635.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,275.18 : 43,158.83 = 17,127.72 : x
  2. Step 2: Convert to fraction form
    31,275.18/43,158.83 = 17,127.72/x
  3. Step 3: Cross multiply
    31,275.18x = 43,158.83 × 17,127.72
  4. Step 4: Simplify right side
    31,275.18x = 739,212,270.13
  5. Step 5: Solve for x
    x = 739,212,270.13/31,275.18
  6. Step 6: Final answer
    x = 23,635.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.