Home / 32,389.16-48,474-19,917.09

Finding the Fourth Proportional to 32,389.16, 48,474 and 19,917.09

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Solution

The fourth proportional to 32,389.16, 48,474 and 19,917.09 is: 29,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,389.16 : 48,474 = 19,917.09 : x
  2. Step 2: Convert to fraction form
    32,389.16/48,474 = 19,917.09/x
  3. Step 3: Cross multiply
    32,389.16x = 48,474 × 19,917.09
  4. Step 4: Simplify right side
    32,389.16x = 965,461,020.66
  5. Step 5: Solve for x
    x = 965,461,020.66/32,389.16
  6. Step 6: Final answer
    x = 29,808.15

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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.