Home / 31,316.76-43,217.55-17,169.57

Finding the Fourth Proportional to 31,316.76, 43,217.55 and 17,169.57

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Solution

The fourth proportional to 31,316.76, 43,217.55 and 17,169.57 is: 23,694.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,316.76 : 43,217.55 = 17,169.57 : x
  2. Step 2: Convert to fraction form
    31,316.76/43,217.55 = 17,169.57/x
  3. Step 3: Cross multiply
    31,316.76x = 43,217.55 × 17,169.57
  4. Step 4: Simplify right side
    31,316.76x = 742,026,749.95
  5. Step 5: Solve for x
    x = 742,026,749.95/31,316.76
  6. Step 6: Final answer
    x = 23,694.24

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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.