Home / 39,814.32-54,923.18-27,851.42

Finding the Fourth Proportional to 39,814.32, 54,923.18 and 27,851.42

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Solution

The fourth proportional to 39,814.32, 54,923.18 and 27,851.42 is: 38,420.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,814.32 : 54,923.18 = 27,851.42 : x
  2. Step 2: Convert to fraction form
    39,814.32/54,923.18 = 27,851.42/x
  3. Step 3: Cross multiply
    39,814.32x = 54,923.18 × 27,851.42
  4. Step 4: Simplify right side
    39,814.32x = 1,529,688,553.92
  5. Step 5: Solve for x
    x = 1,529,688,553.92/39,814.32
  6. Step 6: Final answer
    x = 38,420.56

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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.