Home / 38,416.74-57,516.44-20,363.83

Finding the Fourth Proportional to 38,416.74, 57,516.44 and 20,363.83

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Solution

The fourth proportional to 38,416.74, 57,516.44 and 20,363.83 is: 30,488.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,416.74 : 57,516.44 = 20,363.83 : x
  2. Step 2: Convert to fraction form
    38,416.74/57,516.44 = 20,363.83/x
  3. Step 3: Cross multiply
    38,416.74x = 57,516.44 × 20,363.83
  4. Step 4: Simplify right side
    38,416.74x = 1,171,254,904.55
  5. Step 5: Solve for x
    x = 1,171,254,904.55/38,416.74
  6. Step 6: Final answer
    x = 30,488.14

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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.