Home / 45,110.53-67,621.17-21,376.39

Finding the Fourth Proportional to 45,110.53, 67,621.17 and 21,376.39

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Solution

The fourth proportional to 45,110.53, 67,621.17 and 21,376.39 is: 32,043.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,110.53 : 67,621.17 = 21,376.39 : x
  2. Step 2: Convert to fraction form
    45,110.53/67,621.17 = 21,376.39/x
  3. Step 3: Cross multiply
    45,110.53x = 67,621.17 × 21,376.39
  4. Step 4: Simplify right side
    45,110.53x = 1,445,496,502.18
  5. Step 5: Solve for x
    x = 1,445,496,502.18/45,110.53
  6. Step 6: Final answer
    x = 32,043.44

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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.