Home / 57,404.97-86,146.63-19,964.67

Finding the Fourth Proportional to 57,404.97, 86,146.63 and 19,964.67

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Solution

The fourth proportional to 57,404.97, 86,146.63 and 19,964.67 is: 29,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,404.97 : 86,146.63 = 19,964.67 : x
  2. Step 2: Convert to fraction form
    57,404.97/86,146.63 = 19,964.67/x
  3. Step 3: Cross multiply
    57,404.97x = 86,146.63 × 19,964.67
  4. Step 4: Simplify right side
    57,404.97x = 1,719,889,039.56
  5. Step 5: Solve for x
    x = 1,719,889,039.56/57,404.97
  6. Step 6: Final answer
    x = 29,960.63

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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.