Home / 71,363.66-107,051.02-21,439.84

Finding the Fourth Proportional to 71,363.66, 107,051.02 and 21,439.84

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Solution

The fourth proportional to 71,363.66, 107,051.02 and 21,439.84 is: 32,161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,363.66 : 107,051.02 = 21,439.84 : x
  2. Step 2: Convert to fraction form
    71,363.66/107,051.02 = 21,439.84/x
  3. Step 3: Cross multiply
    71,363.66x = 107,051.02 × 21,439.84
  4. Step 4: Simplify right side
    71,363.66x = 2,295,156,740.64
  5. Step 5: Solve for x
    x = 2,295,156,740.64/71,363.66
  6. Step 6: Final answer
    x = 32,161.42

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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.