Home / 39,819.48-59,717.07-13,518.38

Finding the Fourth Proportional to 39,819.48, 59,717.07 and 13,518.38

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Solution

The fourth proportional to 39,819.48, 59,717.07 and 13,518.38 is: 20,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,819.48 : 59,717.07 = 13,518.38 : x
  2. Step 2: Convert to fraction form
    39,819.48/59,717.07 = 13,518.38/x
  3. Step 3: Cross multiply
    39,819.48x = 59,717.07 × 13,518.38
  4. Step 4: Simplify right side
    39,819.48x = 807,277,746.16
  5. Step 5: Solve for x
    x = 807,277,746.16/39,819.48
  6. Step 6: Final answer
    x = 20,273.44

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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.