Home / 45,949.70-68,924.55-19,657.10

Finding the Fourth Proportional to 45,949.70, 68,924.55 and 19,657.10

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Solution

The fourth proportional to 45,949.70, 68,924.55 and 19,657.10 is: 29,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,949.70 : 68,924.55 = 19,657.10 : x
  2. Step 2: Convert to fraction form
    45,949.70/68,924.55 = 19,657.10/x
  3. Step 3: Cross multiply
    45,949.70x = 68,924.55 × 19,657.10
  4. Step 4: Simplify right side
    45,949.70x = 1,354,856,771.81
  5. Step 5: Solve for x
    x = 1,354,856,771.81/45,949.70
  6. Step 6: Final answer
    x = 29,485.65

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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.