Home / 41,975.22-62,947.71-13,890.09

Finding the Fourth Proportional to 41,975.22, 62,947.71 and 13,890.09

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Solution

The fourth proportional to 41,975.22, 62,947.71 and 13,890.09 is: 20,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,975.22 : 62,947.71 = 13,890.09 : x
  2. Step 2: Convert to fraction form
    41,975.22/62,947.71 = 13,890.09/x
  3. Step 3: Cross multiply
    41,975.22x = 62,947.71 × 13,890.09
  4. Step 4: Simplify right side
    41,975.22x = 874,349,549.29
  5. Step 5: Solve for x
    x = 874,349,549.29/41,975.22
  6. Step 6: Final answer
    x = 20,830.13

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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.