Home / 39,932.43-59,905.81-13,631.02

Finding the Fourth Proportional to 39,932.43, 59,905.81 and 13,631.02

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Solution

The fourth proportional to 39,932.43, 59,905.81 and 13,631.02 is: 20,448.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,932.43 : 59,905.81 = 13,631.02 : x
  2. Step 2: Convert to fraction form
    39,932.43/59,905.81 = 13,631.02/x
  3. Step 3: Cross multiply
    39,932.43x = 59,905.81 × 13,631.02
  4. Step 4: Simplify right side
    39,932.43x = 816,577,144.46
  5. Step 5: Solve for x
    x = 816,577,144.46/39,932.43
  6. Step 6: Final answer
    x = 20,448.97

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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.