Home / 31,418.46-47,135.79-9,232.56

Finding the Fourth Proportional to 31,418.46, 47,135.79 and 9,232.56

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Solution

The fourth proportional to 31,418.46, 47,135.79 and 9,232.56 is: 13,851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,418.46 : 47,135.79 = 9,232.56 : x
  2. Step 2: Convert to fraction form
    31,418.46/47,135.79 = 9,232.56/x
  3. Step 3: Cross multiply
    31,418.46x = 47,135.79 × 9,232.56
  4. Step 4: Simplify right side
    31,418.46x = 435,184,009.32
  5. Step 5: Solve for x
    x = 435,184,009.32/31,418.46
  6. Step 6: Final answer
    x = 13,851.22

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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.