Home / 44,271.74-66,405.78-10,991.09

Finding the Fourth Proportional to 44,271.74, 66,405.78 and 10,991.09

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Solution

The fourth proportional to 44,271.74, 66,405.78 and 10,991.09 is: 16,486.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,271.74 : 66,405.78 = 10,991.09 : x
  2. Step 2: Convert to fraction form
    44,271.74/66,405.78 = 10,991.09/x
  3. Step 3: Cross multiply
    44,271.74x = 66,405.78 × 10,991.09
  4. Step 4: Simplify right side
    44,271.74x = 729,871,572.47
  5. Step 5: Solve for x
    x = 729,871,572.47/44,271.74
  6. Step 6: Final answer
    x = 16,486.18

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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.