Home / 20,580.79-30,849.96-10,037.79

Finding the Fourth Proportional to 20,580.79, 30,849.96 and 10,037.79

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Solution

The fourth proportional to 20,580.79, 30,849.96 and 10,037.79 is: 15,046.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,580.79 : 30,849.96 = 10,037.79 : x
  2. Step 2: Convert to fraction form
    20,580.79/30,849.96 = 10,037.79/x
  3. Step 3: Cross multiply
    20,580.79x = 30,849.96 × 10,037.79
  4. Step 4: Simplify right side
    20,580.79x = 309,665,417.15
  5. Step 5: Solve for x
    x = 309,665,417.15/20,580.79
  6. Step 6: Final answer
    x = 15,046.33

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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.