Home / 45,896.05-68,830.85-12,617.20

Finding the Fourth Proportional to 45,896.05, 68,830.85 and 12,617.20

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Solution

The fourth proportional to 45,896.05, 68,830.85 and 12,617.20 is: 18,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,896.05 : 68,830.85 = 12,617.20 : x
  2. Step 2: Convert to fraction form
    45,896.05/68,830.85 = 12,617.20/x
  3. Step 3: Cross multiply
    45,896.05x = 68,830.85 × 12,617.20
  4. Step 4: Simplify right side
    45,896.05x = 868,452,858.74
  5. Step 5: Solve for x
    x = 868,452,858.74/45,896.05
  6. Step 6: Final answer
    x = 18,922.17

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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.