Home / 31,462.18-43,418.12-17,315.35

Finding the Fourth Proportional to 31,462.18, 43,418.12 and 17,315.35

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Solution

The fourth proportional to 31,462.18, 43,418.12 and 17,315.35 is: 23,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,462.18 : 43,418.12 = 17,315.35 : x
  2. Step 2: Convert to fraction form
    31,462.18/43,418.12 = 17,315.35/x
  3. Step 3: Cross multiply
    31,462.18x = 43,418.12 × 17,315.35
  4. Step 4: Simplify right side
    31,462.18x = 751,799,944.14
  5. Step 5: Solve for x
    x = 751,799,944.14/31,462.18
  6. Step 6: Final answer
    x = 23,895.35

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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.