Home / 45,394.43-68,141.12-34,421.09

Finding the Fourth Proportional to 45,394.43, 68,141.12 and 34,421.09

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Solution

The fourth proportional to 45,394.43, 68,141.12 and 34,421.09 is: 51,669.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,394.43 : 68,141.12 = 34,421.09 : x
  2. Step 2: Convert to fraction form
    45,394.43/68,141.12 = 34,421.09/x
  3. Step 3: Cross multiply
    45,394.43x = 68,141.12 × 34,421.09
  4. Step 4: Simplify right side
    45,394.43x = 2,345,491,111.41
  5. Step 5: Solve for x
    x = 2,345,491,111.41/45,394.43
  6. Step 6: Final answer
    x = 51,669.14

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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.