Home / 34,494.31-51,731.47-13,429.65

Finding the Fourth Proportional to 34,494.31, 51,731.47 and 13,429.65

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Solution

The fourth proportional to 34,494.31, 51,731.47 and 13,429.65 is: 20,140.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,494.31 : 51,731.47 = 13,429.65 : x
  2. Step 2: Convert to fraction form
    34,494.31/51,731.47 = 13,429.65/x
  3. Step 3: Cross multiply
    34,494.31x = 51,731.47 × 13,429.65
  4. Step 4: Simplify right side
    34,494.31x = 694,735,502.51
  5. Step 5: Solve for x
    x = 694,735,502.51/34,494.31
  6. Step 6: Final answer
    x = 20,140.58

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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.