Home / 40,672.35-61,010.42-14,379.75

Finding the Fourth Proportional to 40,672.35, 61,010.42 and 14,379.75

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Solution

The fourth proportional to 40,672.35, 61,010.42 and 14,379.75 is: 21,570.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,672.35 : 61,010.42 = 14,379.75 : x
  2. Step 2: Convert to fraction form
    40,672.35/61,010.42 = 14,379.75/x
  3. Step 3: Cross multiply
    40,672.35x = 61,010.42 × 14,379.75
  4. Step 4: Simplify right side
    40,672.35x = 877,314,515.10
  5. Step 5: Solve for x
    x = 877,314,515.10/40,672.35
  6. Step 6: Final answer
    x = 21,570.29

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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.