Home / 52,599.45-78,930.78-18,862.83

Finding the Fourth Proportional to 52,599.45, 78,930.78 and 18,862.83

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Solution

The fourth proportional to 52,599.45, 78,930.78 and 18,862.83 is: 28,305.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,599.45 : 78,930.78 = 18,862.83 : x
  2. Step 2: Convert to fraction form
    52,599.45/78,930.78 = 18,862.83/x
  3. Step 3: Cross multiply
    52,599.45x = 78,930.78 × 18,862.83
  4. Step 4: Simplify right side
    52,599.45x = 1,488,857,884.91
  5. Step 5: Solve for x
    x = 1,488,857,884.91/52,599.45
  6. Step 6: Final answer
    x = 28,305.58

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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.