Home / 44,145.61-66,216.94-19,185.68

Finding the Fourth Proportional to 44,145.61, 66,216.94 and 19,185.68

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Solution

The fourth proportional to 44,145.61, 66,216.94 and 19,185.68 is: 28,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,145.61 : 66,216.94 = 19,185.68 : x
  2. Step 2: Convert to fraction form
    44,145.61/66,216.94 = 19,185.68/x
  3. Step 3: Cross multiply
    44,145.61x = 66,216.94 × 19,185.68
  4. Step 4: Simplify right side
    44,145.61x = 1,270,417,021.42
  5. Step 5: Solve for x
    x = 1,270,417,021.42/44,145.61
  6. Step 6: Final answer
    x = 28,777.88

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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.