Home / 29,274.18-40,398.60-17,181.90

Finding the Fourth Proportional to 29,274.18, 40,398.60 and 17,181.90

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Solution

The fourth proportional to 29,274.18, 40,398.60 and 17,181.90 is: 23,711.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,274.18 : 40,398.60 = 17,181.90 : x
  2. Step 2: Convert to fraction form
    29,274.18/40,398.60 = 17,181.90/x
  3. Step 3: Cross multiply
    29,274.18x = 40,398.60 × 17,181.90
  4. Step 4: Simplify right side
    29,274.18x = 694,124,705.34
  5. Step 5: Solve for x
    x = 694,124,705.34/29,274.18
  6. Step 6: Final answer
    x = 23,711.16

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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.