Home / 44,621.28-66,921.12-18,333.36

Finding the Fourth Proportional to 44,621.28, 66,921.12 and 18,333.36

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Solution

The fourth proportional to 44,621.28, 66,921.12 and 18,333.36 is: 27,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,621.28 : 66,921.12 = 18,333.36 : x
  2. Step 2: Convert to fraction form
    44,621.28/66,921.12 = 18,333.36/x
  3. Step 3: Cross multiply
    44,621.28x = 66,921.12 × 18,333.36
  4. Step 4: Simplify right side
    44,621.28x = 1,226,888,984.56
  5. Step 5: Solve for x
    x = 1,226,888,984.56/44,621.28
  6. Step 6: Final answer
    x = 27,495.60

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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.