Home / 29,921.31-41,291.18-16,492.32

Finding the Fourth Proportional to 29,921.31, 41,291.18 and 16,492.32

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Solution

The fourth proportional to 29,921.31, 41,291.18 and 16,492.32 is: 22,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,921.31 : 41,291.18 = 16,492.32 : x
  2. Step 2: Convert to fraction form
    29,921.31/41,291.18 = 16,492.32/x
  3. Step 3: Cross multiply
    29,921.31x = 41,291.18 × 16,492.32
  4. Step 4: Simplify right side
    29,921.31x = 680,987,374.50
  5. Step 5: Solve for x
    x = 680,987,374.50/29,921.31
  6. Step 6: Final answer
    x = 22,759.27

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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.