Home / 39,886.35-59,829.53-18,819.47

Finding the Fourth Proportional to 39,886.35, 59,829.53 and 18,819.47

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Solution

The fourth proportional to 39,886.35, 59,829.53 and 18,819.47 is: 28,229.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,886.35 : 59,829.53 = 18,819.47 : x
  2. Step 2: Convert to fraction form
    39,886.35/59,829.53 = 18,819.47/x
  3. Step 3: Cross multiply
    39,886.35x = 59,829.53 × 18,819.47
  4. Step 4: Simplify right side
    39,886.35x = 1,125,960,044.95
  5. Step 5: Solve for x
    x = 1,125,960,044.95/39,886.35
  6. Step 6: Final answer
    x = 28,229.21

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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.