Home / 39,687.63-59,532.81-19,955.43

Finding the Fourth Proportional to 39,687.63, 59,532.81 and 19,955.43

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Solution

The fourth proportional to 39,687.63, 59,532.81 and 19,955.43 is: 29,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,687.63 : 59,532.81 = 19,955.43 : x
  2. Step 2: Convert to fraction form
    39,687.63/59,532.81 = 19,955.43/x
  3. Step 3: Cross multiply
    39,687.63x = 59,532.81 × 19,955.43
  4. Step 4: Simplify right side
    39,687.63x = 1,188,002,822.66
  5. Step 5: Solve for x
    x = 1,188,002,822.66/39,687.63
  6. Step 6: Final answer
    x = 29,933.83

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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.