Home / 38,553.60-57,916.80-36,979.20

Finding the Fourth Proportional to 38,553.60, 57,916.80 and 36,979.20

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Solution

The fourth proportional to 38,553.60, 57,916.80 and 36,979.20 is: 55,551.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,553.60 : 57,916.80 = 36,979.20 : x
  2. Step 2: Convert to fraction form
    38,553.60/57,916.80 = 36,979.20/x
  3. Step 3: Cross multiply
    38,553.60x = 57,916.80 × 36,979.20
  4. Step 4: Simplify right side
    38,553.60x = 2,141,716,930.56
  5. Step 5: Solve for x
    x = 2,141,716,930.56/38,553.60
  6. Step 6: Final answer
    x = 55,551.67

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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.