Home / 34,213.20-51,204.60-31,448.40

Finding the Fourth Proportional to 34,213.20, 51,204.60 and 31,448.40

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Solution

The fourth proportional to 34,213.20, 51,204.60 and 31,448.40 is: 47,066.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,213.20 : 51,204.60 = 31,448.40 : x
  2. Step 2: Convert to fraction form
    34,213.20/51,204.60 = 31,448.40/x
  3. Step 3: Cross multiply
    34,213.20x = 51,204.60 × 31,448.40
  4. Step 4: Simplify right side
    34,213.20x = 1,610,302,742.64
  5. Step 5: Solve for x
    x = 1,610,302,742.64/34,213.20
  6. Step 6: Final answer
    x = 47,066.71

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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.