Home / 51,805.05-71,488.22-30,576.57

Finding the Fourth Proportional to 51,805.05, 71,488.22 and 30,576.57

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Solution

The fourth proportional to 51,805.05, 71,488.22 and 30,576.57 is: 42,194.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,805.05 : 71,488.22 = 30,576.57 : x
  2. Step 2: Convert to fraction form
    51,805.05/71,488.22 = 30,576.57/x
  3. Step 3: Cross multiply
    51,805.05x = 71,488.22 × 30,576.57
  4. Step 4: Simplify right side
    51,805.05x = 2,185,864,410.12
  5. Step 5: Solve for x
    x = 2,185,864,410.12/51,805.05
  6. Step 6: Final answer
    x = 42,194.04

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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.