Home / 38,282.76-57,443.58-19,814.76

Finding the Fourth Proportional to 38,282.76, 57,443.58 and 19,814.76

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Solution

The fourth proportional to 38,282.76, 57,443.58 and 19,814.76 is: 29,732.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,282.76 : 57,443.58 = 19,814.76 : x
  2. Step 2: Convert to fraction form
    38,282.76/57,443.58 = 19,814.76/x
  3. Step 3: Cross multiply
    38,282.76x = 57,443.58 × 19,814.76
  4. Step 4: Simplify right side
    38,282.76x = 1,138,230,751.24
  5. Step 5: Solve for x
    x = 1,138,230,751.24/38,282.76
  6. Step 6: Final answer
    x = 29,732.20

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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.