Home / 38,788.31-53,530.97-22,660.80

Finding the Fourth Proportional to 38,788.31, 53,530.97 and 22,660.80

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Solution

The fourth proportional to 38,788.31, 53,530.97 and 22,660.80 is: 31,273.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,788.31 : 53,530.97 = 22,660.80 : x
  2. Step 2: Convert to fraction form
    38,788.31/53,530.97 = 22,660.80/x
  3. Step 3: Cross multiply
    38,788.31x = 53,530.97 × 22,660.80
  4. Step 4: Simplify right side
    38,788.31x = 1,213,054,491.67
  5. Step 5: Solve for x
    x = 1,213,054,491.67/38,788.31
  6. Step 6: Final answer
    x = 31,273.72

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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.