Home / 31,902.88-47,848.56-11,132.32

Finding the Fourth Proportional to 31,902.88, 47,848.56 and 11,132.32

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Solution

The fourth proportional to 31,902.88, 47,848.56 and 11,132.32 is: 16,696.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,902.88 : 47,848.56 = 11,132.32 : x
  2. Step 2: Convert to fraction form
    31,902.88/47,848.56 = 11,132.32/x
  3. Step 3: Cross multiply
    31,902.88x = 47,848.56 × 11,132.32
  4. Step 4: Simplify right side
    31,902.88x = 532,665,481.46
  5. Step 5: Solve for x
    x = 532,665,481.46/31,902.88
  6. Step 6: Final answer
    x = 16,696.47

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1.5x scale

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.