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Finding the Fourth Proportional to 79,944.70, 119,853.79 and 30,019.24

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Solution

The fourth proportional to 79,944.70, 119,853.79 and 30,019.24 is: 45,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,944.70 : 119,853.79 = 30,019.24 : x
  2. Step 2: Convert to fraction form
    79,944.70/119,853.79 = 30,019.24/x
  3. Step 3: Cross multiply
    79,944.70x = 119,853.79 × 30,019.24
  4. Step 4: Simplify right side
    79,944.70x = 3,597,919,387.29
  5. Step 5: Solve for x
    x = 3,597,919,387.29/79,944.70
  6. Step 6: Final answer
    x = 45,005.10

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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.