Home / 53,515.98-80,274.66-20,251.71

Finding the Fourth Proportional to 53,515.98, 80,274.66 and 20,251.71

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Solution

The fourth proportional to 53,515.98, 80,274.66 and 20,251.71 is: 30,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,515.98 : 80,274.66 = 20,251.71 : x
  2. Step 2: Convert to fraction form
    53,515.98/80,274.66 = 20,251.71/x
  3. Step 3: Cross multiply
    53,515.98x = 80,274.66 × 20,251.71
  4. Step 4: Simplify right side
    53,515.98x = 1,625,699,134.67
  5. Step 5: Solve for x
    x = 1,625,699,134.67/53,515.98
  6. Step 6: Final answer
    x = 30,377.83

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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.