Home / 38,578.19-57,870.53-14,884.78

Finding the Fourth Proportional to 38,578.19, 57,870.53 and 14,884.78

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Solution

The fourth proportional to 38,578.19, 57,870.53 and 14,884.78 is: 22,328.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,578.19 : 57,870.53 = 14,884.78 : x
  2. Step 2: Convert to fraction form
    38,578.19/57,870.53 = 14,884.78/x
  3. Step 3: Cross multiply
    38,578.19x = 57,870.53 × 14,884.78
  4. Step 4: Simplify right side
    38,578.19x = 861,389,766.75
  5. Step 5: Solve for x
    x = 861,389,766.75/38,578.19
  6. Step 6: Final answer
    x = 22,328.42

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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.