Home / 31,630.03-43,650.36-17,290.65

Finding the Fourth Proportional to 31,630.03, 43,650.36 and 17,290.65

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Solution

The fourth proportional to 31,630.03, 43,650.36 and 17,290.65 is: 23,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,630.03 : 43,650.36 = 17,290.65 : x
  2. Step 2: Convert to fraction form
    31,630.03/43,650.36 = 17,290.65/x
  3. Step 3: Cross multiply
    31,630.03x = 43,650.36 × 17,290.65
  4. Step 4: Simplify right side
    31,630.03x = 754,743,097.13
  5. Step 5: Solve for x
    x = 754,743,097.13/31,630.03
  6. Step 6: Final answer
    x = 23,861.60

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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.