Home / 31,197.03-43,060.74-18,454.65

Finding the Fourth Proportional to 31,197.03, 43,060.74 and 18,454.65

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Solution

The fourth proportional to 31,197.03, 43,060.74 and 18,454.65 is: 25,472.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,197.03 : 43,060.74 = 18,454.65 : x
  2. Step 2: Convert to fraction form
    31,197.03/43,060.74 = 18,454.65/x
  3. Step 3: Cross multiply
    31,197.03x = 43,060.74 × 18,454.65
  4. Step 4: Simplify right side
    31,197.03x = 794,670,699.09
  5. Step 5: Solve for x
    x = 794,670,699.09/31,197.03
  6. Step 6: Final answer
    x = 25,472.64

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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.