Home / 38,120.76-57,188.70-11,824.38

Finding the Fourth Proportional to 38,120.76, 57,188.70 and 11,824.38

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Solution

The fourth proportional to 38,120.76, 57,188.70 and 11,824.38 is: 17,738.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,120.76 : 57,188.70 = 11,824.38 : x
  2. Step 2: Convert to fraction form
    38,120.76/57,188.70 = 11,824.38/x
  3. Step 3: Cross multiply
    38,120.76x = 57,188.70 × 11,824.38
  4. Step 4: Simplify right side
    38,120.76x = 676,220,920.51
  5. Step 5: Solve for x
    x = 676,220,920.51/38,120.76
  6. Step 6: Final answer
    x = 17,738.91

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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.