Home / 41,931.81-62,878.28-15,629.49

Finding the Fourth Proportional to 41,931.81, 62,878.28 and 15,629.49

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Solution

The fourth proportional to 41,931.81, 62,878.28 and 15,629.49 is: 23,436.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,931.81 : 62,878.28 = 15,629.49 : x
  2. Step 2: Convert to fraction form
    41,931.81/62,878.28 = 15,629.49/x
  3. Step 3: Cross multiply
    41,931.81x = 62,878.28 × 15,629.49
  4. Step 4: Simplify right side
    41,931.81x = 982,755,370.33
  5. Step 5: Solve for x
    x = 982,755,370.33/41,931.81
  6. Step 6: Final answer
    x = 23,436.99

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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.