Home / 57,251.95-79,007.72-31,757.47

Finding the Fourth Proportional to 57,251.95, 79,007.72 and 31,757.47

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Solution

The fourth proportional to 57,251.95, 79,007.72 and 31,757.47 is: 43,825.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,251.95 : 79,007.72 = 31,757.47 : x
  2. Step 2: Convert to fraction form
    57,251.95/79,007.72 = 31,757.47/x
  3. Step 3: Cross multiply
    57,251.95x = 79,007.72 × 31,757.47
  4. Step 4: Simplify right side
    57,251.95x = 2,509,085,297.67
  5. Step 5: Solve for x
    x = 2,509,085,297.67/57,251.95
  6. Step 6: Final answer
    x = 43,825.32

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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.