Home / 39,233.09-54,141.03-21,328.55

Finding the Fourth Proportional to 39,233.09, 54,141.03 and 21,328.55

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Solution

The fourth proportional to 39,233.09, 54,141.03 and 21,328.55 is: 29,433.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,233.09 : 54,141.03 = 21,328.55 : x
  2. Step 2: Convert to fraction form
    39,233.09/54,141.03 = 21,328.55/x
  3. Step 3: Cross multiply
    39,233.09x = 54,141.03 × 21,328.55
  4. Step 4: Simplify right side
    39,233.09x = 1,154,749,394.70
  5. Step 5: Solve for x
    x = 1,154,749,394.70/39,233.09
  6. Step 6: Final answer
    x = 29,433.05

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