Home / 39,600.86-54,650.56-21,697.42

Finding the Fourth Proportional to 39,600.86, 54,650.56 and 21,697.42

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Solution

The fourth proportional to 39,600.86, 54,650.56 and 21,697.42 is: 29,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,600.86 : 54,650.56 = 21,697.42 : x
  2. Step 2: Convert to fraction form
    39,600.86/54,650.56 = 21,697.42/x
  3. Step 3: Cross multiply
    39,600.86x = 54,650.56 × 21,697.42
  4. Step 4: Simplify right side
    39,600.86x = 1,185,776,153.56
  5. Step 5: Solve for x
    x = 1,185,776,153.56/39,600.86
  6. Step 6: Final answer
    x = 29,943.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.