Home / 38,339.87-57,521.55-19,633.15

Finding the Fourth Proportional to 38,339.87, 57,521.55 and 19,633.15

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Solution

The fourth proportional to 38,339.87, 57,521.55 and 19,633.15 is: 29,455.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,339.87 : 57,521.55 = 19,633.15 : x
  2. Step 2: Convert to fraction form
    38,339.87/57,521.55 = 19,633.15/x
  3. Step 3: Cross multiply
    38,339.87x = 57,521.55 × 19,633.15
  4. Step 4: Simplify right side
    38,339.87x = 1,129,329,361.46
  5. Step 5: Solve for x
    x = 1,129,329,361.46/38,339.87
  6. Step 6: Final answer
    x = 29,455.74

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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.