Home / 39,755.06-59,618.01-11,667.90

Finding the Fourth Proportional to 39,755.06, 59,618.01 and 11,667.90

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Solution

The fourth proportional to 39,755.06, 59,618.01 and 11,667.90 is: 17,497.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,755.06 : 59,618.01 = 11,667.90 : x
  2. Step 2: Convert to fraction form
    39,755.06/59,618.01 = 11,667.90/x
  3. Step 3: Cross multiply
    39,755.06x = 59,618.01 × 11,667.90
  4. Step 4: Simplify right side
    39,755.06x = 695,616,978.88
  5. Step 5: Solve for x
    x = 695,616,978.88/39,755.06
  6. Step 6: Final answer
    x = 17,497.57

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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.