Home / 39,419.70-59,099.43-19,712.10

Finding the Fourth Proportional to 39,419.70, 59,099.43 and 19,712.10

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Solution

The fourth proportional to 39,419.70, 59,099.43 and 19,712.10 is: 29,553.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,419.70 : 59,099.43 = 19,712.10 : x
  2. Step 2: Convert to fraction form
    39,419.70/59,099.43 = 19,712.10/x
  3. Step 3: Cross multiply
    39,419.70x = 59,099.43 × 19,712.10
  4. Step 4: Simplify right side
    39,419.70x = 1,164,973,874.10
  5. Step 5: Solve for x
    x = 1,164,973,874.10/39,419.70
  6. Step 6: Final answer
    x = 29,553.09

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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.