Home / 39,856.26-55,001.64-21,951.24

Finding the Fourth Proportional to 39,856.26, 55,001.64 and 21,951.24

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Solution

The fourth proportional to 39,856.26, 55,001.64 and 21,951.24 is: 30,292.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,856.26 : 55,001.64 = 21,951.24 : x
  2. Step 2: Convert to fraction form
    39,856.26/55,001.64 = 21,951.24/x
  3. Step 3: Cross multiply
    39,856.26x = 55,001.64 × 21,951.24
  4. Step 4: Simplify right side
    39,856.26x = 1,207,354,200.03
  5. Step 5: Solve for x
    x = 1,207,354,200.03/39,856.26
  6. Step 6: Final answer
    x = 30,292.71

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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.