Home / 31,413.22-43,352.65-17,988.68

Finding the Fourth Proportional to 31,413.22, 43,352.65 and 17,988.68

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Solution

The fourth proportional to 31,413.22, 43,352.65 and 17,988.68 is: 24,825.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,413.22 : 43,352.65 = 17,988.68 : x
  2. Step 2: Convert to fraction form
    31,413.22/43,352.65 = 17,988.68/x
  3. Step 3: Cross multiply
    31,413.22x = 43,352.65 × 17,988.68
  4. Step 4: Simplify right side
    31,413.22x = 779,857,078.87
  5. Step 5: Solve for x
    x = 779,857,078.87/31,413.22
  6. Step 6: Final answer
    x = 24,825.76

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1.5x scale

Why These Related Problems?

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