Home / 31,408.02-47,112.03-9,221.24

Finding the Fourth Proportional to 31,408.02, 47,112.03 and 9,221.24

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Solution

The fourth proportional to 31,408.02, 47,112.03 and 9,221.24 is: 13,831.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,408.02 : 47,112.03 = 9,221.24 : x
  2. Step 2: Convert to fraction form
    31,408.02/47,112.03 = 9,221.24/x
  3. Step 3: Cross multiply
    31,408.02x = 47,112.03 × 9,221.24
  4. Step 4: Simplify right side
    31,408.02x = 434,431,453.30
  5. Step 5: Solve for x
    x = 434,431,453.30/31,408.02
  6. Step 6: Final answer
    x = 13,831.86

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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.