Home / 38,339.58-57,521.13-19,632.76

Finding the Fourth Proportional to 38,339.58, 57,521.13 and 19,632.76

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Solution

The fourth proportional to 38,339.58, 57,521.13 and 19,632.76 is: 29,455.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,339.58 : 57,521.13 = 19,632.76 : x
  2. Step 2: Convert to fraction form
    38,339.58/57,521.13 = 19,632.76/x
  3. Step 3: Cross multiply
    38,339.58x = 57,521.13 × 19,632.76
  4. Step 4: Simplify right side
    38,339.58x = 1,129,298,540.22
  5. Step 5: Solve for x
    x = 1,129,298,540.22/38,339.58
  6. Step 6: Final answer
    x = 29,455.16

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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.