Home / 31,596.18-43,602.66-18,170.03

Finding the Fourth Proportional to 31,596.18, 43,602.66 and 18,170.03

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Solution

The fourth proportional to 31,596.18, 43,602.66 and 18,170.03 is: 25,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,596.18 : 43,602.66 = 18,170.03 : x
  2. Step 2: Convert to fraction form
    31,596.18/43,602.66 = 18,170.03/x
  3. Step 3: Cross multiply
    31,596.18x = 43,602.66 × 18,170.03
  4. Step 4: Simplify right side
    31,596.18x = 792,261,422.27
  5. Step 5: Solve for x
    x = 792,261,422.27/31,596.18
  6. Step 6: Final answer
    x = 25,074.60

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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.