Home / 55,645.48-83,450.60-18,196.92

Finding the Fourth Proportional to 55,645.48, 83,450.60 and 18,196.92

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Solution

The fourth proportional to 55,645.48, 83,450.60 and 18,196.92 is: 27,289.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,645.48 : 83,450.60 = 18,196.92 : x
  2. Step 2: Convert to fraction form
    55,645.48/83,450.60 = 18,196.92/x
  3. Step 3: Cross multiply
    55,645.48x = 83,450.60 × 18,196.92
  4. Step 4: Simplify right side
    55,645.48x = 1,518,543,892.15
  5. Step 5: Solve for x
    x = 1,518,543,892.15/55,645.48
  6. Step 6: Final answer
    x = 27,289.62

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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.