Home / 29,518.26-40,720.77-17,577.78

Finding the Fourth Proportional to 29,518.26, 40,720.77 and 17,577.78

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Solution

The fourth proportional to 29,518.26, 40,720.77 and 17,577.78 is: 24,248.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,518.26 : 40,720.77 = 17,577.78 : x
  2. Step 2: Convert to fraction form
    29,518.26/40,720.77 = 17,577.78/x
  3. Step 3: Cross multiply
    29,518.26x = 40,720.77 × 17,577.78
  4. Step 4: Simplify right side
    29,518.26x = 715,780,736.49
  5. Step 5: Solve for x
    x = 715,780,736.49/29,518.26
  6. Step 6: Final answer
    x = 24,248.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.