Home / 41,139.42-61,626.92-18,922.34

Finding the Fourth Proportional to 41,139.42, 61,626.92 and 18,922.34

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Solution

The fourth proportional to 41,139.42, 61,626.92 and 18,922.34 is: 28,345.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,139.42 : 61,626.92 = 18,922.34 : x
  2. Step 2: Convert to fraction form
    41,139.42/61,626.92 = 18,922.34/x
  3. Step 3: Cross multiply
    41,139.42x = 61,626.92 × 18,922.34
  4. Step 4: Simplify right side
    41,139.42x = 1,166,125,130.65
  5. Step 5: Solve for x
    x = 1,166,125,130.65/41,139.42
  6. Step 6: Final answer
    x = 28,345.69

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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.