Home / 72,342.26-108,512.25-19,751.58

Finding the Fourth Proportional to 72,342.26, 108,512.25 and 19,751.58

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Solution

The fourth proportional to 72,342.26, 108,512.25 and 19,751.58 is: 29,627.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,342.26 : 108,512.25 = 19,751.58 : x
  2. Step 2: Convert to fraction form
    72,342.26/108,512.25 = 19,751.58/x
  3. Step 3: Cross multiply
    72,342.26x = 108,512.25 × 19,751.58
  4. Step 4: Simplify right side
    72,342.26x = 2,143,288,386.86
  5. Step 5: Solve for x
    x = 2,143,288,386.86/72,342.26
  6. Step 6: Final answer
    x = 29,627.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.