Home / 39,340.82-58,998.45-13,038.50

Finding the Fourth Proportional to 39,340.82, 58,998.45 and 13,038.50

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Solution

The fourth proportional to 39,340.82, 58,998.45 and 13,038.50 is: 19,553.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,340.82 : 58,998.45 = 13,038.50 : x
  2. Step 2: Convert to fraction form
    39,340.82/58,998.45 = 13,038.50/x
  3. Step 3: Cross multiply
    39,340.82x = 58,998.45 × 13,038.50
  4. Step 4: Simplify right side
    39,340.82x = 769,251,290.33
  5. Step 5: Solve for x
    x = 769,251,290.33/39,340.82
  6. Step 6: Final answer
    x = 19,553.51

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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.