Home / 30,119.43-45,171.25-9,053.83

Finding the Fourth Proportional to 30,119.43, 45,171.25 and 9,053.83

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Solution

The fourth proportional to 30,119.43, 45,171.25 and 9,053.83 is: 13,578.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.43 : 45,171.25 = 9,053.83 : x
  2. Step 2: Convert to fraction form
    30,119.43/45,171.25 = 9,053.83/x
  3. Step 3: Cross multiply
    30,119.43x = 45,171.25 × 9,053.83
  4. Step 4: Simplify right side
    30,119.43x = 408,972,818.39
  5. Step 5: Solve for x
    x = 408,972,818.39/30,119.43
  6. Step 6: Final answer
    x = 13,578.37

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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.