Home / 31,849.20-47,781.36-9,661.14

Finding the Fourth Proportional to 31,849.20, 47,781.36 and 9,661.14

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Solution

The fourth proportional to 31,849.20, 47,781.36 and 9,661.14 is: 14,494.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,849.20 : 47,781.36 = 9,661.14 : x
  2. Step 2: Convert to fraction form
    31,849.20/47,781.36 = 9,661.14/x
  3. Step 3: Cross multiply
    31,849.20x = 47,781.36 × 9,661.14
  4. Step 4: Simplify right side
    31,849.20x = 461,622,408.35
  5. Step 5: Solve for x
    x = 461,622,408.35/31,849.20
  6. Step 6: Final answer
    x = 14,494.00

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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.