Home / 45,110.92-67,669.62-13,942.12

Finding the Fourth Proportional to 45,110.92, 67,669.62 and 13,942.12

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Solution

The fourth proportional to 45,110.92, 67,669.62 and 13,942.12 is: 20,914.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,110.92 : 67,669.62 = 13,942.12 : x
  2. Step 2: Convert to fraction form
    45,110.92/67,669.62 = 13,942.12/x
  3. Step 3: Cross multiply
    45,110.92x = 67,669.62 × 13,942.12
  4. Step 4: Simplify right side
    45,110.92x = 943,457,962.39
  5. Step 5: Solve for x
    x = 943,457,962.39/45,110.92
  6. Step 6: Final answer
    x = 20,914.18

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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.