Home / 38,697.21-53,410.95-22,786.79

Finding the Fourth Proportional to 38,697.21, 53,410.95 and 22,786.79

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Solution

The fourth proportional to 38,697.21, 53,410.95 and 22,786.79 is: 31,450.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,697.21 : 53,410.95 = 22,786.79 : x
  2. Step 2: Convert to fraction form
    38,697.21/53,410.95 = 22,786.79/x
  3. Step 3: Cross multiply
    38,697.21x = 53,410.95 × 22,786.79
  4. Step 4: Simplify right side
    38,697.21x = 1,217,063,834.30
  5. Step 5: Solve for x
    x = 1,217,063,834.30/38,697.21
  6. Step 6: Final answer
    x = 31,450.95

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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.