Home / 45,622.92-68,434.74-12,343.26

Finding the Fourth Proportional to 45,622.92, 68,434.74 and 12,343.26

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Solution

The fourth proportional to 45,622.92, 68,434.74 and 12,343.26 is: 18,514.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,622.92 : 68,434.74 = 12,343.26 : x
  2. Step 2: Convert to fraction form
    45,622.92/68,434.74 = 12,343.26/x
  3. Step 3: Cross multiply
    45,622.92x = 68,434.74 × 12,343.26
  4. Step 4: Simplify right side
    45,622.92x = 844,707,788.85
  5. Step 5: Solve for x
    x = 844,707,788.85/45,622.92
  6. Step 6: Final answer
    x = 18,514.99

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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.