Home / 34,173.20-51,144.60-31,408.40

Finding the Fourth Proportional to 34,173.20, 51,144.60 and 31,408.40

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Solution

The fourth proportional to 34,173.20, 51,144.60 and 31,408.40 is: 47,006.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,173.20 : 51,144.60 = 31,408.40 : x
  2. Step 2: Convert to fraction form
    34,173.20/51,144.60 = 31,408.40/x
  3. Step 3: Cross multiply
    34,173.20x = 51,144.60 × 31,408.40
  4. Step 4: Simplify right side
    34,173.20x = 1,606,370,054.64
  5. Step 5: Solve for x
    x = 1,606,370,054.64/34,173.20
  6. Step 6: Final answer
    x = 47,006.72

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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.