Home / 31,127.52-46,693.92-8,942.72

Finding the Fourth Proportional to 31,127.52, 46,693.92 and 8,942.72

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Solution

The fourth proportional to 31,127.52, 46,693.92 and 8,942.72 is: 13,414.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,127.52 : 46,693.92 = 8,942.72 : x
  2. Step 2: Convert to fraction form
    31,127.52/46,693.92 = 8,942.72/x
  3. Step 3: Cross multiply
    31,127.52x = 46,693.92 × 8,942.72
  4. Step 4: Simplify right side
    31,127.52x = 417,570,652.26
  5. Step 5: Solve for x
    x = 417,570,652.26/31,127.52
  6. Step 6: Final answer
    x = 13,414.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.