Home / 44,042.80-66,107.40-21,881.20

Finding the Fourth Proportional to 44,042.80, 66,107.40 and 21,881.20

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Solution

The fourth proportional to 44,042.80, 66,107.40 and 21,881.20 is: 32,843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,042.80 : 66,107.40 = 21,881.20 : x
  2. Step 2: Convert to fraction form
    44,042.80/66,107.40 = 21,881.20/x
  3. Step 3: Cross multiply
    44,042.80x = 66,107.40 × 21,881.20
  4. Step 4: Simplify right side
    44,042.80x = 1,446,509,240.88
  5. Step 5: Solve for x
    x = 1,446,509,240.88/44,042.80
  6. Step 6: Final answer
    x = 32,843.26

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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.