Home / 31,917-47,538.36-30,251.64

Finding the Fourth Proportional to 31,917, 47,538.36 and 30,251.64

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Solution

The fourth proportional to 31,917, 47,538.36 and 30,251.64 is: 45,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,917 : 47,538.36 = 30,251.64 : x
  2. Step 2: Convert to fraction form
    31,917/47,538.36 = 30,251.64/x
  3. Step 3: Cross multiply
    31,917x = 47,538.36 × 30,251.64
  4. Step 4: Simplify right side
    31,917x = 1,438,113,352.91
  5. Step 5: Solve for x
    x = 1,438,113,352.91/31,917
  6. Step 6: Final answer
    x = 45,057.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.