Home / 39,800.62-59,680.38-11,717.02

Finding the Fourth Proportional to 39,800.62, 59,680.38 and 11,717.02

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Solution

The fourth proportional to 39,800.62, 59,680.38 and 11,717.02 is: 17,569.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,800.62 : 59,680.38 = 11,717.02 : x
  2. Step 2: Convert to fraction form
    39,800.62/59,680.38 = 11,717.02/x
  3. Step 3: Cross multiply
    39,800.62x = 59,680.38 × 11,717.02
  4. Step 4: Simplify right side
    39,800.62x = 699,276,206.07
  5. Step 5: Solve for x
    x = 699,276,206.07/39,800.62
  6. Step 6: Final answer
    x = 17,569.48

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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.