Home / 31,266.34-43,147.56-17,120.08

Finding the Fourth Proportional to 31,266.34, 43,147.56 and 17,120.08

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Solution

The fourth proportional to 31,266.34, 43,147.56 and 17,120.08 is: 23,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,266.34 : 43,147.56 = 17,120.08 : x
  2. Step 2: Convert to fraction form
    31,266.34/43,147.56 = 17,120.08/x
  3. Step 3: Cross multiply
    31,266.34x = 43,147.56 × 17,120.08
  4. Step 4: Simplify right side
    31,266.34x = 738,689,679.00
  5. Step 5: Solve for x
    x = 738,689,679.00/31,266.34
  6. Step 6: Final answer
    x = 23,625.72

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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.