Home / 51,617.05-71,222.90-30,400.52

Finding the Fourth Proportional to 51,617.05, 71,222.90 and 30,400.52

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Solution

The fourth proportional to 51,617.05, 71,222.90 and 30,400.52 is: 41,947.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,617.05 : 71,222.90 = 30,400.52 : x
  2. Step 2: Convert to fraction form
    51,617.05/71,222.90 = 30,400.52/x
  3. Step 3: Cross multiply
    51,617.05x = 71,222.90 × 30,400.52
  4. Step 4: Simplify right side
    51,617.05x = 2,165,212,687.79
  5. Step 5: Solve for x
    x = 2,165,212,687.79/51,617.05
  6. Step 6: Final answer
    x = 41,947.63

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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.