Home / 45,396.99-68,095.46-12,117.17

Finding the Fourth Proportional to 45,396.99, 68,095.46 and 12,117.17

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Solution

The fourth proportional to 45,396.99, 68,095.46 and 12,117.17 is: 18,175.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,396.99 : 68,095.46 = 12,117.17 : x
  2. Step 2: Convert to fraction form
    45,396.99/68,095.46 = 12,117.17/x
  3. Step 3: Cross multiply
    45,396.99x = 68,095.46 × 12,117.17
  4. Step 4: Simplify right side
    45,396.99x = 825,123,863.99
  5. Step 5: Solve for x
    x = 825,123,863.99/45,396.99
  6. Step 6: Final answer
    x = 18,175.74

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Double scale
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Similar ratio
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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.