Home / 29,291.69-43,938.75-8,515.19

Finding the Fourth Proportional to 29,291.69, 43,938.75 and 8,515.19

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Solution

The fourth proportional to 29,291.69, 43,938.75 and 8,515.19 is: 12,773.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,291.69 : 43,938.75 = 8,515.19 : x
  2. Step 2: Convert to fraction form
    29,291.69/43,938.75 = 8,515.19/x
  3. Step 3: Cross multiply
    29,291.69x = 43,938.75 × 8,515.19
  4. Step 4: Simplify right side
    29,291.69x = 374,146,804.61
  5. Step 5: Solve for x
    x = 374,146,804.61/29,291.69
  6. Step 6: Final answer
    x = 12,773.14

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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.