Home / 31,618.51-47,413.88-16,823.92

Finding the Fourth Proportional to 31,618.51, 47,413.88 and 16,823.92

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Solution

The fourth proportional to 31,618.51, 47,413.88 and 16,823.92 is: 25,228.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,618.51 : 47,413.88 = 16,823.92 : x
  2. Step 2: Convert to fraction form
    31,618.51/47,413.88 = 16,823.92/x
  3. Step 3: Cross multiply
    31,618.51x = 47,413.88 × 16,823.92
  4. Step 4: Simplify right side
    31,618.51x = 797,687,014.17
  5. Step 5: Solve for x
    x = 797,687,014.17/31,618.51
  6. Step 6: Final answer
    x = 25,228.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.