Home / 69,848.68-104,789.28-19,929.46

Finding the Fourth Proportional to 69,848.68, 104,789.28 and 19,929.46

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Solution

The fourth proportional to 69,848.68, 104,789.28 and 19,929.46 is: 29,898.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,848.68 : 104,789.28 = 19,929.46 : x
  2. Step 2: Convert to fraction form
    69,848.68/104,789.28 = 19,929.46/x
  3. Step 3: Cross multiply
    69,848.68x = 104,789.28 × 19,929.46
  4. Step 4: Simplify right side
    69,848.68x = 2,088,393,764.19
  5. Step 5: Solve for x
    x = 2,088,393,764.19/69,848.68
  6. Step 6: Final answer
    x = 29,898.83

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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.