Home / 31,641.20-43,663.48-17,300.66

Finding the Fourth Proportional to 31,641.20, 43,663.48 and 17,300.66

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Solution

The fourth proportional to 31,641.20, 43,663.48 and 17,300.66 is: 23,874.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,641.20 : 43,663.48 = 17,300.66 : x
  2. Step 2: Convert to fraction form
    31,641.20/43,663.48 = 17,300.66/x
  3. Step 3: Cross multiply
    31,641.20x = 43,663.48 × 17,300.66
  4. Step 4: Simplify right side
    31,641.20x = 755,407,021.90
  5. Step 5: Solve for x
    x = 755,407,021.90/31,641.20
  6. Step 6: Final answer
    x = 23,874.16

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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.