Home / 52,339.83-78,447.19-19,020.88

Finding the Fourth Proportional to 52,339.83, 78,447.19 and 19,020.88

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Solution

The fourth proportional to 52,339.83, 78,447.19 and 19,020.88 is: 28,508.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,339.83 : 78,447.19 = 19,020.88 : x
  2. Step 2: Convert to fraction form
    52,339.83/78,447.19 = 19,020.88/x
  3. Step 3: Cross multiply
    52,339.83x = 78,447.19 × 19,020.88
  4. Step 4: Simplify right side
    52,339.83x = 1,492,134,587.33
  5. Step 5: Solve for x
    x = 1,492,134,587.33/52,339.83
  6. Step 6: Final answer
    x = 28,508.59

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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.