Home / 52,291.22-78,438.68-16,747.92

Finding the Fourth Proportional to 52,291.22, 78,438.68 and 16,747.92

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Solution

The fourth proportional to 52,291.22, 78,438.68 and 16,747.92 is: 25,122.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,291.22 : 78,438.68 = 16,747.92 : x
  2. Step 2: Convert to fraction form
    52,291.22/78,438.68 = 16,747.92/x
  3. Step 3: Cross multiply
    52,291.22x = 78,438.68 × 16,747.92
  4. Step 4: Simplify right side
    52,291.22x = 1,313,684,779.42
  5. Step 5: Solve for x
    x = 1,313,684,779.42/52,291.22
  6. Step 6: Final answer
    x = 25,122.47

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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.