Home / 44,939.78-67,412.64-18,646.64

Finding the Fourth Proportional to 44,939.78, 67,412.64 and 18,646.64

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Solution

The fourth proportional to 44,939.78, 67,412.64 and 18,646.64 is: 27,971.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,939.78 : 67,412.64 = 18,646.64 : x
  2. Step 2: Convert to fraction form
    44,939.78/67,412.64 = 18,646.64/x
  3. Step 3: Cross multiply
    44,939.78x = 67,412.64 × 18,646.64
  4. Step 4: Simplify right side
    44,939.78x = 1,257,019,229.53
  5. Step 5: Solve for x
    x = 1,257,019,229.53/44,939.78
  6. Step 6: Final answer
    x = 27,971.19

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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.