Home / 39,758.50-59,645.04-18,982

Finding the Fourth Proportional to 39,758.50, 59,645.04 and 18,982

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Solution

The fourth proportional to 39,758.50, 59,645.04 and 18,982 is: 28,476.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,758.50 : 59,645.04 = 18,982 : x
  2. Step 2: Convert to fraction form
    39,758.50/59,645.04 = 18,982/x
  3. Step 3: Cross multiply
    39,758.50x = 59,645.04 × 18,982
  4. Step 4: Simplify right side
    39,758.50x = 1,132,182,149.28
  5. Step 5: Solve for x
    x = 1,132,182,149.28/39,758.50
  6. Step 6: Final answer
    x = 28,476.48

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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.