Home / 38,110.90-57,171.89-11,817.76

Finding the Fourth Proportional to 38,110.90, 57,171.89 and 11,817.76

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Solution

The fourth proportional to 38,110.90, 57,171.89 and 11,817.76 is: 17,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,110.90 : 57,171.89 = 11,817.76 : x
  2. Step 2: Convert to fraction form
    38,110.90/57,171.89 = 11,817.76/x
  3. Step 3: Cross multiply
    38,110.90x = 57,171.89 × 11,817.76
  4. Step 4: Simplify right side
    38,110.90x = 675,643,674.77
  5. Step 5: Solve for x
    x = 675,643,674.77/38,110.90
  6. Step 6: Final answer
    x = 17,728.36

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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.