Home / 40,786.40-61,153.08-17,109.12

Finding the Fourth Proportional to 40,786.40, 61,153.08 and 17,109.12

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Solution

The fourth proportional to 40,786.40, 61,153.08 and 17,109.12 is: 25,652.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,786.40 : 61,153.08 = 17,109.12 : x
  2. Step 2: Convert to fraction form
    40,786.40/61,153.08 = 17,109.12/x
  3. Step 3: Cross multiply
    40,786.40x = 61,153.08 × 17,109.12
  4. Step 4: Simplify right side
    40,786.40x = 1,046,275,549.25
  5. Step 5: Solve for x
    x = 1,046,275,549.25/40,786.40
  6. Step 6: Final answer
    x = 25,652.56

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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.