Home / 38,549.99-57,778.71-19,838.85

Finding the Fourth Proportional to 38,549.99, 57,778.71 and 19,838.85

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Solution

The fourth proportional to 38,549.99, 57,778.71 and 19,838.85 is: 29,734.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,549.99 : 57,778.71 = 19,838.85 : x
  2. Step 2: Convert to fraction form
    38,549.99/57,778.71 = 19,838.85/x
  3. Step 3: Cross multiply
    38,549.99x = 57,778.71 × 19,838.85
  4. Step 4: Simplify right side
    38,549.99x = 1,146,263,160.88
  5. Step 5: Solve for x
    x = 1,146,263,160.88/38,549.99
  6. Step 6: Final answer
    x = 29,734.46

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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.