Home / 53,520.27-80,291.67-20,239.59

Finding the Fourth Proportional to 53,520.27, 80,291.67 and 20,239.59

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Solution

The fourth proportional to 53,520.27, 80,291.67 and 20,239.59 is: 30,363.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,520.27 : 80,291.67 = 20,239.59 : x
  2. Step 2: Convert to fraction form
    53,520.27/80,291.67 = 20,239.59/x
  3. Step 3: Cross multiply
    53,520.27x = 80,291.67 × 20,239.59
  4. Step 4: Simplify right side
    53,520.27x = 1,625,070,481.22
  5. Step 5: Solve for x
    x = 1,625,070,481.22/53,520.27
  6. Step 6: Final answer
    x = 30,363.65

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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.