Home / 39,849.16-59,759.66-11,761.70

Finding the Fourth Proportional to 39,849.16, 59,759.66 and 11,761.70

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Solution

The fourth proportional to 39,849.16, 59,759.66 and 11,761.70 is: 17,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,849.16 : 59,759.66 = 11,761.70 : x
  2. Step 2: Convert to fraction form
    39,849.16/59,759.66 = 11,761.70/x
  3. Step 3: Cross multiply
    39,849.16x = 59,759.66 × 11,761.70
  4. Step 4: Simplify right side
    39,849.16x = 702,875,390.30
  5. Step 5: Solve for x
    x = 702,875,390.30/39,849.16
  6. Step 6: Final answer
    x = 17,638.40

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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.