Home / 60,214.45-90,299.86-20,221.47

Finding the Fourth Proportional to 60,214.45, 90,299.86 and 20,221.47

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Solution

The fourth proportional to 60,214.45, 90,299.86 and 20,221.47 is: 30,324.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,214.45 : 90,299.86 = 20,221.47 : x
  2. Step 2: Convert to fraction form
    60,214.45/90,299.86 = 20,221.47/x
  3. Step 3: Cross multiply
    60,214.45x = 90,299.86 × 20,221.47
  4. Step 4: Simplify right side
    60,214.45x = 1,825,995,935.27
  5. Step 5: Solve for x
    x = 1,825,995,935.27/60,214.45
  6. Step 6: Final answer
    x = 30,324.88

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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.