Home / 43,299.50-64,951.14-13,719.52

Finding the Fourth Proportional to 43,299.50, 64,951.14 and 13,719.52

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Solution

The fourth proportional to 43,299.50, 64,951.14 and 13,719.52 is: 20,579.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,299.50 : 64,951.14 = 13,719.52 : x
  2. Step 2: Convert to fraction form
    43,299.50/64,951.14 = 13,719.52/x
  3. Step 3: Cross multiply
    43,299.50x = 64,951.14 × 13,719.52
  4. Step 4: Simplify right side
    43,299.50x = 891,098,139.50
  5. Step 5: Solve for x
    x = 891,098,139.50/43,299.50
  6. Step 6: Final answer
    x = 20,579.87

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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.