Home / 31,459.11-43,413.75-18,031.17

Finding the Fourth Proportional to 31,459.11, 43,413.75 and 18,031.17

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Solution

The fourth proportional to 31,459.11, 43,413.75 and 18,031.17 is: 24,883.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,459.11 : 43,413.75 = 18,031.17 : x
  2. Step 2: Convert to fraction form
    31,459.11/43,413.75 = 18,031.17/x
  3. Step 3: Cross multiply
    31,459.11x = 43,413.75 × 18,031.17
  4. Step 4: Simplify right side
    31,459.11x = 782,800,706.59
  5. Step 5: Solve for x
    x = 782,800,706.59/31,459.11
  6. Step 6: Final answer
    x = 24,883.12

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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.