Home / 61,037.25-91,556.45-21,601.05

Finding the Fourth Proportional to 61,037.25, 91,556.45 and 21,601.05

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Solution

The fourth proportional to 61,037.25, 91,556.45 and 21,601.05 is: 32,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,037.25 : 91,556.45 = 21,601.05 : x
  2. Step 2: Convert to fraction form
    61,037.25/91,556.45 = 21,601.05/x
  3. Step 3: Cross multiply
    61,037.25x = 91,556.45 × 21,601.05
  4. Step 4: Simplify right side
    61,037.25x = 1,977,715,346.27
  5. Step 5: Solve for x
    x = 1,977,715,346.27/61,037.25
  6. Step 6: Final answer
    x = 32,401.78

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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.