Home / 38,200.05-57,300.83-13,240.91

Finding the Fourth Proportional to 38,200.05, 57,300.83 and 13,240.91

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Solution

The fourth proportional to 38,200.05, 57,300.83 and 13,240.91 is: 19,861.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,200.05 : 57,300.83 = 13,240.91 : x
  2. Step 2: Convert to fraction form
    38,200.05/57,300.83 = 13,240.91/x
  3. Step 3: Cross multiply
    38,200.05x = 57,300.83 × 13,240.91
  4. Step 4: Simplify right side
    38,200.05x = 758,715,132.96
  5. Step 5: Solve for x
    x = 758,715,132.96/38,200.05
  6. Step 6: Final answer
    x = 19,861.63

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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.