Home / 51,589.20-71,187.72-30,367.20

Finding the Fourth Proportional to 51,589.20, 71,187.72 and 30,367.20

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Solution

The fourth proportional to 51,589.20, 71,187.72 and 30,367.20 is: 41,903.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,589.20 : 71,187.72 = 30,367.20 : x
  2. Step 2: Convert to fraction form
    51,589.20/71,187.72 = 30,367.20/x
  3. Step 3: Cross multiply
    51,589.20x = 71,187.72 × 30,367.20
  4. Step 4: Simplify right side
    51,589.20x = 2,161,771,730.78
  5. Step 5: Solve for x
    x = 2,161,771,730.78/51,589.20
  6. Step 6: Final answer
    x = 41,903.57

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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.