Home / 31,841.40-47,763.72-11,846.52

Finding the Fourth Proportional to 31,841.40, 47,763.72 and 11,846.52

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Solution

The fourth proportional to 31,841.40, 47,763.72 and 11,846.52 is: 17,770.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,841.40 : 47,763.72 = 11,846.52 : x
  2. Step 2: Convert to fraction form
    31,841.40/47,763.72 = 11,846.52/x
  3. Step 3: Cross multiply
    31,841.40x = 47,763.72 × 11,846.52
  4. Step 4: Simplify right side
    31,841.40x = 565,833,864.25
  5. Step 5: Solve for x
    x = 565,833,864.25/31,841.40
  6. Step 6: Final answer
    x = 17,770.38

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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.