Home / 31,638.52-43,659.66-17,299.09

Finding the Fourth Proportional to 31,638.52, 43,659.66 and 17,299.09

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Solution

The fourth proportional to 31,638.52, 43,659.66 and 17,299.09 is: 23,871.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,638.52 : 43,659.66 = 17,299.09 : x
  2. Step 2: Convert to fraction form
    31,638.52/43,659.66 = 17,299.09/x
  3. Step 3: Cross multiply
    31,638.52x = 43,659.66 × 17,299.09
  4. Step 4: Simplify right side
    31,638.52x = 755,272,387.71
  5. Step 5: Solve for x
    x = 755,272,387.71/31,638.52
  6. Step 6: Final answer
    x = 23,871.93

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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.