Home / 29,705.18-40,993.12-16,277.28

Finding the Fourth Proportional to 29,705.18, 40,993.12 and 16,277.28

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Solution

The fourth proportional to 29,705.18, 40,993.12 and 16,277.28 is: 22,462.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,705.18 : 40,993.12 = 16,277.28 : x
  2. Step 2: Convert to fraction form
    29,705.18/40,993.12 = 16,277.28/x
  3. Step 3: Cross multiply
    29,705.18x = 40,993.12 × 16,277.28
  4. Step 4: Simplify right side
    29,705.18x = 667,256,492.31
  5. Step 5: Solve for x
    x = 667,256,492.31/29,705.18
  6. Step 6: Final answer
    x = 22,462.63

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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.