Home / 39,806.16-59,699.67-11,718.57

Finding the Fourth Proportional to 39,806.16, 59,699.67 and 11,718.57

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Solution

The fourth proportional to 39,806.16, 59,699.67 and 11,718.57 is: 17,575.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,806.16 : 59,699.67 = 11,718.57 : x
  2. Step 2: Convert to fraction form
    39,806.16/59,699.67 = 11,718.57/x
  3. Step 3: Cross multiply
    39,806.16x = 59,699.67 × 11,718.57
  4. Step 4: Simplify right side
    39,806.16x = 699,594,761.87
  5. Step 5: Solve for x
    x = 699,594,761.87/39,806.16
  6. Step 6: Final answer
    x = 17,575.04

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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.