Home / 38,708.11-53,404.57-22,571.77

Finding the Fourth Proportional to 38,708.11, 53,404.57 and 22,571.77

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Solution

The fourth proportional to 38,708.11, 53,404.57 and 22,571.77 is: 31,141.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,708.11 : 53,404.57 = 22,571.77 : x
  2. Step 2: Convert to fraction form
    38,708.11/53,404.57 = 22,571.77/x
  3. Step 3: Cross multiply
    38,708.11x = 53,404.57 × 22,571.77
  4. Step 4: Simplify right side
    38,708.11x = 1,205,435,670.99
  5. Step 5: Solve for x
    x = 1,205,435,670.99/38,708.11
  6. Step 6: Final answer
    x = 31,141.68

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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.