Home / 31,135.29-42,967.65-17,708.48

Finding the Fourth Proportional to 31,135.29, 42,967.65 and 17,708.48

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Solution

The fourth proportional to 31,135.29, 42,967.65 and 17,708.48 is: 24,438.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,135.29 : 42,967.65 = 17,708.48 : x
  2. Step 2: Convert to fraction form
    31,135.29/42,967.65 = 17,708.48/x
  3. Step 3: Cross multiply
    31,135.29x = 42,967.65 × 17,708.48
  4. Step 4: Simplify right side
    31,135.29x = 760,891,489.43
  5. Step 5: Solve for x
    x = 760,891,489.43/31,135.29
  6. Step 6: Final answer
    x = 24,438.24

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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.