Home / 38,150.40-57,222.40-11,854.72

Finding the Fourth Proportional to 38,150.40, 57,222.40 and 11,854.72

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Solution

The fourth proportional to 38,150.40, 57,222.40 and 11,854.72 is: 17,781.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,150.40 : 57,222.40 = 11,854.72 : x
  2. Step 2: Convert to fraction form
    38,150.40/57,222.40 = 11,854.72/x
  3. Step 3: Cross multiply
    38,150.40x = 57,222.40 × 11,854.72
  4. Step 4: Simplify right side
    38,150.40x = 678,355,529.73
  5. Step 5: Solve for x
    x = 678,355,529.73/38,150.40
  6. Step 6: Final answer
    x = 17,781.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.