Home / 71,810.60-107,732.05-21,895.74

Finding the Fourth Proportional to 71,810.60, 107,732.05 and 21,895.74

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Solution

The fourth proportional to 71,810.60, 107,732.05 and 21,895.74 is: 32,848.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,810.60 : 107,732.05 = 21,895.74 : x
  2. Step 2: Convert to fraction form
    71,810.60/107,732.05 = 21,895.74/x
  3. Step 3: Cross multiply
    71,810.60x = 107,732.05 × 21,895.74
  4. Step 4: Simplify right side
    71,810.60x = 2,358,873,213.20
  5. Step 5: Solve for x
    x = 2,358,873,213.20/71,810.60
  6. Step 6: Final answer
    x = 32,848.54

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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.