Home / 30,105.16-45,112.36-26,824.12

Finding the Fourth Proportional to 30,105.16, 45,112.36 and 26,824.12

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Solution

The fourth proportional to 30,105.16, 45,112.36 and 26,824.12 is: 40,195.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,105.16 : 45,112.36 = 26,824.12 : x
  2. Step 2: Convert to fraction form
    30,105.16/45,112.36 = 26,824.12/x
  3. Step 3: Cross multiply
    30,105.16x = 45,112.36 × 26,824.12
  4. Step 4: Simplify right side
    30,105.16x = 1,210,099,358.12
  5. Step 5: Solve for x
    x = 1,210,099,358.12/30,105.16
  6. Step 6: Final answer
    x = 40,195.75

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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.