Home / 38,378.48-57,568.16-12,083.52

Finding the Fourth Proportional to 38,378.48, 57,568.16 and 12,083.52

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Solution

The fourth proportional to 38,378.48, 57,568.16 and 12,083.52 is: 18,125.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,378.48 : 57,568.16 = 12,083.52 : x
  2. Step 2: Convert to fraction form
    38,378.48/57,568.16 = 12,083.52/x
  3. Step 3: Cross multiply
    38,378.48x = 57,568.16 × 12,083.52
  4. Step 4: Simplify right side
    38,378.48x = 695,626,012.72
  5. Step 5: Solve for x
    x = 695,626,012.72/38,378.48
  6. Step 6: Final answer
    x = 18,125.42

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1.5x scale

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.