Home / 51,825.57-71,515.37-30,600.75

Finding the Fourth Proportional to 51,825.57, 71,515.37 and 30,600.75

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Solution

The fourth proportional to 51,825.57, 71,515.37 and 30,600.75 is: 42,226.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,825.57 : 71,515.37 = 30,600.75 : x
  2. Step 2: Convert to fraction form
    51,825.57/71,515.37 = 30,600.75/x
  3. Step 3: Cross multiply
    51,825.57x = 71,515.37 × 30,600.75
  4. Step 4: Simplify right side
    51,825.57x = 2,188,423,805.52
  5. Step 5: Solve for x
    x = 2,188,423,805.52/51,825.57
  6. Step 6: Final answer
    x = 42,226.72

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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.