Home / 45,110.57-67,664.42-21,435.15

Finding the Fourth Proportional to 45,110.57, 67,664.42 and 21,435.15

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Solution

The fourth proportional to 45,110.57, 67,664.42 and 21,435.15 is: 32,152.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,110.57 : 67,664.42 = 21,435.15 : x
  2. Step 2: Convert to fraction form
    45,110.57/67,664.42 = 21,435.15/x
  3. Step 3: Cross multiply
    45,110.57x = 67,664.42 × 21,435.15
  4. Step 4: Simplify right side
    45,110.57x = 1,450,396,885.19
  5. Step 5: Solve for x
    x = 1,450,396,885.19/45,110.57
  6. Step 6: Final answer
    x = 32,152.04

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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.