Home / 31,408.17-47,112.02-8,034.57

Finding the Fourth Proportional to 31,408.17, 47,112.02 and 8,034.57

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Solution

The fourth proportional to 31,408.17, 47,112.02 and 8,034.57 is: 12,051.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,408.17 : 47,112.02 = 8,034.57 : x
  2. Step 2: Convert to fraction form
    31,408.17/47,112.02 = 8,034.57/x
  3. Step 3: Cross multiply
    31,408.17x = 47,112.02 × 8,034.57
  4. Step 4: Simplify right side
    31,408.17x = 378,524,782.36
  5. Step 5: Solve for x
    x = 378,524,782.36/31,408.17
  6. Step 6: Final answer
    x = 12,051.79

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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.