Home / 45,396.55-68,095.32-13,811.74

Finding the Fourth Proportional to 45,396.55, 68,095.32 and 13,811.74

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Solution

The fourth proportional to 45,396.55, 68,095.32 and 13,811.74 is: 20,717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,396.55 : 68,095.32 = 13,811.74 : x
  2. Step 2: Convert to fraction form
    45,396.55/68,095.32 = 13,811.74/x
  3. Step 3: Cross multiply
    45,396.55x = 68,095.32 × 13,811.74
  4. Step 4: Simplify right side
    45,396.55x = 940,514,855.06
  5. Step 5: Solve for x
    x = 940,514,855.06/45,396.55
  6. Step 6: Final answer
    x = 20,717.76

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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.