Home / 31,611.35-47,416.66-18,275.85

Finding the Fourth Proportional to 31,611.35, 47,416.66 and 18,275.85

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Solution

The fourth proportional to 31,611.35, 47,416.66 and 18,275.85 is: 27,413.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,611.35 : 47,416.66 = 18,275.85 : x
  2. Step 2: Convert to fraction form
    31,611.35/47,416.66 = 18,275.85/x
  3. Step 3: Cross multiply
    31,611.35x = 47,416.66 × 18,275.85
  4. Step 4: Simplify right side
    31,611.35x = 866,579,719.97
  5. Step 5: Solve for x
    x = 866,579,719.97/31,611.35
  6. Step 6: Final answer
    x = 27,413.56

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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.