Home / 38,340.58-57,522.63-19,633.76

Finding the Fourth Proportional to 38,340.58, 57,522.63 and 19,633.76

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Solution

The fourth proportional to 38,340.58, 57,522.63 and 19,633.76 is: 29,456.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,340.58 : 57,522.63 = 19,633.76 : x
  2. Step 2: Convert to fraction form
    38,340.58/57,522.63 = 19,633.76/x
  3. Step 3: Cross multiply
    38,340.58x = 57,522.63 × 19,633.76
  4. Step 4: Simplify right side
    38,340.58x = 1,129,385,511.99
  5. Step 5: Solve for x
    x = 1,129,385,511.99/38,340.58
  6. Step 6: Final answer
    x = 29,456.66

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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.