Home / 31,413.32-43,351.32-17,988.92

Finding the Fourth Proportional to 31,413.32, 43,351.32 and 17,988.92

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Solution

The fourth proportional to 31,413.32, 43,351.32 and 17,988.92 is: 24,825.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,413.32 : 43,351.32 = 17,988.92 : x
  2. Step 2: Convert to fraction form
    31,413.32/43,351.32 = 17,988.92/x
  3. Step 3: Cross multiply
    31,413.32x = 43,351.32 × 17,988.92
  4. Step 4: Simplify right side
    31,413.32x = 779,843,427.37
  5. Step 5: Solve for x
    x = 779,843,427.37/31,413.32
  6. Step 6: Final answer
    x = 24,825.25

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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.