Home / 54,430.92-81,660.42-16,992.18

Finding the Fourth Proportional to 54,430.92, 81,660.42 and 16,992.18

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Solution

The fourth proportional to 54,430.92, 81,660.42 and 16,992.18 is: 25,492.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,430.92 : 81,660.42 = 16,992.18 : x
  2. Step 2: Convert to fraction form
    54,430.92/81,660.42 = 16,992.18/x
  3. Step 3: Cross multiply
    54,430.92x = 81,660.42 × 16,992.18
  4. Step 4: Simplify right side
    54,430.92x = 1,387,588,555.52
  5. Step 5: Solve for x
    x = 1,387,588,555.52/54,430.92
  6. Step 6: Final answer
    x = 25,492.65

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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.