Home / 30,129.14-45,203.44-25,249.70

Finding the Fourth Proportional to 30,129.14, 45,203.44 and 25,249.70

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Solution

The fourth proportional to 30,129.14, 45,203.44 and 25,249.70 is: 37,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,129.14 : 45,203.44 = 25,249.70 : x
  2. Step 2: Convert to fraction form
    30,129.14/45,203.44 = 25,249.70/x
  3. Step 3: Cross multiply
    30,129.14x = 45,203.44 × 25,249.70
  4. Step 4: Simplify right side
    30,129.14x = 1,141,373,298.97
  5. Step 5: Solve for x
    x = 1,141,373,298.97/30,129.14
  6. Step 6: Final answer
    x = 37,882.70

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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.