Home / 50,985.92-76,488.48-15,917.12

Finding the Fourth Proportional to 50,985.92, 76,488.48 and 15,917.12

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Solution

The fourth proportional to 50,985.92, 76,488.48 and 15,917.12 is: 23,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,985.92 : 76,488.48 = 15,917.12 : x
  2. Step 2: Convert to fraction form
    50,985.92/76,488.48 = 15,917.12/x
  3. Step 3: Cross multiply
    50,985.92x = 76,488.48 × 15,917.12
  4. Step 4: Simplify right side
    50,985.92x = 1,217,476,314.78
  5. Step 5: Solve for x
    x = 1,217,476,314.78/50,985.92
  6. Step 6: Final answer
    x = 23,878.68

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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.