Home / 52,249.14-72,105.24-30,740.40

Finding the Fourth Proportional to 52,249.14, 72,105.24 and 30,740.40

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Solution

The fourth proportional to 52,249.14, 72,105.24 and 30,740.40 is: 42,422.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,249.14 : 72,105.24 = 30,740.40 : x
  2. Step 2: Convert to fraction form
    52,249.14/72,105.24 = 30,740.40/x
  3. Step 3: Cross multiply
    52,249.14x = 72,105.24 × 30,740.40
  4. Step 4: Simplify right side
    52,249.14x = 2,216,543,919.70
  5. Step 5: Solve for x
    x = 2,216,543,919.70/52,249.14
  6. Step 6: Final answer
    x = 42,422.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.