Home / 45,085.92-67,603.89-18,450.61

Finding the Fourth Proportional to 45,085.92, 67,603.89 and 18,450.61

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Solution

The fourth proportional to 45,085.92, 67,603.89 and 18,450.61 is: 27,665.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,085.92 : 67,603.89 = 18,450.61 : x
  2. Step 2: Convert to fraction form
    45,085.92/67,603.89 = 18,450.61/x
  3. Step 3: Cross multiply
    45,085.92x = 67,603.89 × 18,450.61
  4. Step 4: Simplify right side
    45,085.92x = 1,247,333,047.30
  5. Step 5: Solve for x
    x = 1,247,333,047.30/45,085.92
  6. Step 6: Final answer
    x = 27,665.69

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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.