Home / 39,519.48-59,274.90-11,811

Finding the Fourth Proportional to 39,519.48, 59,274.90 and 11,811

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Solution

The fourth proportional to 39,519.48, 59,274.90 and 11,811 is: 17,715.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,519.48 : 59,274.90 = 11,811 : x
  2. Step 2: Convert to fraction form
    39,519.48/59,274.90 = 11,811/x
  3. Step 3: Cross multiply
    39,519.48x = 59,274.90 × 11,811
  4. Step 4: Simplify right side
    39,519.48x = 700,095,843.90
  5. Step 5: Solve for x
    x = 700,095,843.90/39,519.48
  6. Step 6: Final answer
    x = 17,715.21

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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.