Home / 23,245.20-34,867.80-21,167.55

Finding the Fourth Proportional to 23,245.20, 34,867.80 and 21,167.55

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Solution

The fourth proportional to 23,245.20, 34,867.80 and 21,167.55 is: 31,751.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,245.20 : 34,867.80 = 21,167.55 : x
  2. Step 2: Convert to fraction form
    23,245.20/34,867.80 = 21,167.55/x
  3. Step 3: Cross multiply
    23,245.20x = 34,867.80 × 21,167.55
  4. Step 4: Simplify right side
    23,245.20x = 738,065,899.89
  5. Step 5: Solve for x
    x = 738,065,899.89/23,245.20
  6. Step 6: Final answer
    x = 31,751.33

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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.