Home / 45,061.96-67,551.11-21,380.64

Finding the Fourth Proportional to 45,061.96, 67,551.11 and 21,380.64

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Solution

The fourth proportional to 45,061.96, 67,551.11 and 21,380.64 is: 32,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,061.96 : 67,551.11 = 21,380.64 : x
  2. Step 2: Convert to fraction form
    45,061.96/67,551.11 = 21,380.64/x
  3. Step 3: Cross multiply
    45,061.96x = 67,551.11 × 21,380.64
  4. Step 4: Simplify right side
    45,061.96x = 1,444,285,519.85
  5. Step 5: Solve for x
    x = 1,444,285,519.85/45,061.96
  6. Step 6: Final answer
    x = 32,051.10

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1.5x scale

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.