Home / 42,119.75-63,179.36-10,529.66

Finding the Fourth Proportional to 42,119.75, 63,179.36 and 10,529.66

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Solution

The fourth proportional to 42,119.75, 63,179.36 and 10,529.66 is: 15,794.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,119.75 : 63,179.36 = 10,529.66 : x
  2. Step 2: Convert to fraction form
    42,119.75/63,179.36 = 10,529.66/x
  3. Step 3: Cross multiply
    42,119.75x = 63,179.36 × 10,529.66
  4. Step 4: Simplify right side
    42,119.75x = 665,256,890.24
  5. Step 5: Solve for x
    x = 665,256,890.24/42,119.75
  6. Step 6: Final answer
    x = 15,794.42

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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.