Home / 44,083.68-66,129.12-20,697.36

Finding the Fourth Proportional to 44,083.68, 66,129.12 and 20,697.36

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Solution

The fourth proportional to 44,083.68, 66,129.12 and 20,697.36 is: 31,047.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,083.68 : 66,129.12 = 20,697.36 : x
  2. Step 2: Convert to fraction form
    44,083.68/66,129.12 = 20,697.36/x
  3. Step 3: Cross multiply
    44,083.68x = 66,129.12 × 20,697.36
  4. Step 4: Simplify right side
    44,083.68x = 1,368,698,203.12
  5. Step 5: Solve for x
    x = 1,368,698,203.12/44,083.68
  6. Step 6: Final answer
    x = 31,047.73

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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.