Home / 44,456.40-66,660.30-18,131.40

Finding the Fourth Proportional to 44,456.40, 66,660.30 and 18,131.40

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Solution

The fourth proportional to 44,456.40, 66,660.30 and 18,131.40 is: 27,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,456.40 : 66,660.30 = 18,131.40 : x
  2. Step 2: Convert to fraction form
    44,456.40/66,660.30 = 18,131.40/x
  3. Step 3: Cross multiply
    44,456.40x = 66,660.30 × 18,131.40
  4. Step 4: Simplify right side
    44,456.40x = 1,208,644,563.42
  5. Step 5: Solve for x
    x = 1,208,644,563.42/44,456.40
  6. Step 6: Final answer
    x = 27,187.19

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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.