Home / 40,836.99-61,173.46-18,619.80

Finding the Fourth Proportional to 40,836.99, 61,173.46 and 18,619.80

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Solution

The fourth proportional to 40,836.99, 61,173.46 and 18,619.80 is: 27,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,836.99 : 61,173.46 = 18,619.80 : x
  2. Step 2: Convert to fraction form
    40,836.99/61,173.46 = 18,619.80/x
  3. Step 3: Cross multiply
    40,836.99x = 61,173.46 × 18,619.80
  4. Step 4: Simplify right side
    40,836.99x = 1,139,037,590.51
  5. Step 5: Solve for x
    x = 1,139,037,590.51/40,836.99
  6. Step 6: Final answer
    x = 27,892.30

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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.