Home / 39,868.47-59,768.75-17,669.75

Finding the Fourth Proportional to 39,868.47, 59,768.75 and 17,669.75

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Solution

The fourth proportional to 39,868.47, 59,768.75 and 17,669.75 is: 26,489.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,868.47 : 59,768.75 = 17,669.75 : x
  2. Step 2: Convert to fraction form
    39,868.47/59,768.75 = 17,669.75/x
  3. Step 3: Cross multiply
    39,868.47x = 59,768.75 × 17,669.75
  4. Step 4: Simplify right side
    39,868.47x = 1,056,098,483.12
  5. Step 5: Solve for x
    x = 1,056,098,483.12/39,868.47
  6. Step 6: Final answer
    x = 26,489.57

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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.