Home / 31,440.75-43,389.45-17,293.29

Finding the Fourth Proportional to 31,440.75, 43,389.45 and 17,293.29

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Solution

The fourth proportional to 31,440.75, 43,389.45 and 17,293.29 is: 23,865.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,440.75 : 43,389.45 = 17,293.29 : x
  2. Step 2: Convert to fraction form
    31,440.75/43,389.45 = 17,293.29/x
  3. Step 3: Cross multiply
    31,440.75x = 43,389.45 × 17,293.29
  4. Step 4: Simplify right side
    31,440.75x = 750,346,341.79
  5. Step 5: Solve for x
    x = 750,346,341.79/31,440.75
  6. Step 6: Final answer
    x = 23,865.41

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Double scale
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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.