Home / 40,864.42-61,296.77-11,281.60

Finding the Fourth Proportional to 40,864.42, 61,296.77 and 11,281.60

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Solution

The fourth proportional to 40,864.42, 61,296.77 and 11,281.60 is: 16,922.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,864.42 : 61,296.77 = 11,281.60 : x
  2. Step 2: Convert to fraction form
    40,864.42/61,296.77 = 11,281.60/x
  3. Step 3: Cross multiply
    40,864.42x = 61,296.77 × 11,281.60
  4. Step 4: Simplify right side
    40,864.42x = 691,525,640.43
  5. Step 5: Solve for x
    x = 691,525,640.43/40,864.42
  6. Step 6: Final answer
    x = 16,922.44

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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.