Home / 44,028.90-66,047.31-12,439.35

Finding the Fourth Proportional to 44,028.90, 66,047.31 and 12,439.35

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Solution

The fourth proportional to 44,028.90, 66,047.31 and 12,439.35 is: 18,660.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,028.90 : 66,047.31 = 12,439.35 : x
  2. Step 2: Convert to fraction form
    44,028.90/66,047.31 = 12,439.35/x
  3. Step 3: Cross multiply
    44,028.90x = 66,047.31 × 12,439.35
  4. Step 4: Simplify right side
    44,028.90x = 821,585,605.65
  5. Step 5: Solve for x
    x = 821,585,605.65/44,028.90
  6. Step 6: Final answer
    x = 18,660.14

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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.