Home / 31,415.03-47,122.52-8,041.43

Finding the Fourth Proportional to 31,415.03, 47,122.52 and 8,041.43

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Solution

The fourth proportional to 31,415.03, 47,122.52 and 8,041.43 is: 12,062.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,415.03 : 47,122.52 = 8,041.43 : x
  2. Step 2: Convert to fraction form
    31,415.03/47,122.52 = 8,041.43/x
  3. Step 3: Cross multiply
    31,415.03x = 47,122.52 × 8,041.43
  4. Step 4: Simplify right side
    31,415.03x = 378,932,405.80
  5. Step 5: Solve for x
    x = 378,932,405.80/31,415.03
  6. Step 6: Final answer
    x = 12,062.14

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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.