Home / 71,848.80-107,778.06-21,929.22

Finding the Fourth Proportional to 71,848.80, 107,778.06 and 21,929.22

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Solution

The fourth proportional to 71,848.80, 107,778.06 and 21,929.22 is: 32,895.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,848.80 : 107,778.06 = 21,929.22 : x
  2. Step 2: Convert to fraction form
    71,848.80/107,778.06 = 21,929.22/x
  3. Step 3: Cross multiply
    71,848.80x = 107,778.06 × 21,929.22
  4. Step 4: Simplify right side
    71,848.80x = 2,363,488,788.91
  5. Step 5: Solve for x
    x = 2,363,488,788.91/71,848.80
  6. Step 6: Final answer
    x = 32,895.31

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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.