Home / 42,794.88-64,200.36-19,422.96

Finding the Fourth Proportional to 42,794.88, 64,200.36 and 19,422.96

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Solution

The fourth proportional to 42,794.88, 64,200.36 and 19,422.96 is: 29,138.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,794.88 : 64,200.36 = 19,422.96 : x
  2. Step 2: Convert to fraction form
    42,794.88/64,200.36 = 19,422.96/x
  3. Step 3: Cross multiply
    42,794.88x = 64,200.36 × 19,422.96
  4. Step 4: Simplify right side
    42,794.88x = 1,246,961,024.27
  5. Step 5: Solve for x
    x = 1,246,961,024.27/42,794.88
  6. Step 6: Final answer
    x = 29,138.09

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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.