Home / 69,387.76-104,088.17-19,467.66

Finding the Fourth Proportional to 69,387.76, 104,088.17 and 19,467.66

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Solution

The fourth proportional to 69,387.76, 104,088.17 and 19,467.66 is: 29,203.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,387.76 : 104,088.17 = 19,467.66 : x
  2. Step 2: Convert to fraction form
    69,387.76/104,088.17 = 19,467.66/x
  3. Step 3: Cross multiply
    69,387.76x = 104,088.17 × 19,467.66
  4. Step 4: Simplify right side
    69,387.76x = 2,026,353,103.58
  5. Step 5: Solve for x
    x = 2,026,353,103.58/69,387.76
  6. Step 6: Final answer
    x = 29,203.32

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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.