Home / 44,140.68-66,240.16-20,768.94

Finding the Fourth Proportional to 44,140.68, 66,240.16 and 20,768.94

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Solution

The fourth proportional to 44,140.68, 66,240.16 and 20,768.94 is: 31,167.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,140.68 : 66,240.16 = 20,768.94 : x
  2. Step 2: Convert to fraction form
    44,140.68/66,240.16 = 20,768.94/x
  3. Step 3: Cross multiply
    44,140.68x = 66,240.16 × 20,768.94
  4. Step 4: Simplify right side
    44,140.68x = 1,375,737,908.63
  5. Step 5: Solve for x
    x = 1,375,737,908.63/44,140.68
  6. Step 6: Final answer
    x = 31,167.12

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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.