Home / 41,918.90-62,878.35-12,336.75

Finding the Fourth Proportional to 41,918.90, 62,878.35 and 12,336.75

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Solution

The fourth proportional to 41,918.90, 62,878.35 and 12,336.75 is: 18,505.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,918.90 : 62,878.35 = 12,336.75 : x
  2. Step 2: Convert to fraction form
    41,918.90/62,878.35 = 12,336.75/x
  3. Step 3: Cross multiply
    41,918.90x = 62,878.35 × 12,336.75
  4. Step 4: Simplify right side
    41,918.90x = 775,714,484.36
  5. Step 5: Solve for x
    x = 775,714,484.36/41,918.90
  6. Step 6: Final answer
    x = 18,505.13

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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.