Home / 31,418.32-43,356.18-17,271.06

Finding the Fourth Proportional to 31,418.32, 43,356.18 and 17,271.06

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Solution

The fourth proportional to 31,418.32, 43,356.18 and 17,271.06 is: 23,833.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,418.32 : 43,356.18 = 17,271.06 : x
  2. Step 2: Convert to fraction form
    31,418.32/43,356.18 = 17,271.06/x
  3. Step 3: Cross multiply
    31,418.32x = 43,356.18 × 17,271.06
  4. Step 4: Simplify right side
    31,418.32x = 748,807,186.15
  5. Step 5: Solve for x
    x = 748,807,186.15/31,418.32
  6. Step 6: Final answer
    x = 23,833.46

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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.