Home / 33,331.56-46,002.24-21,428.88

Finding the Fourth Proportional to 33,331.56, 46,002.24 and 21,428.88

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Solution

The fourth proportional to 33,331.56, 46,002.24 and 21,428.88 is: 29,574.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,331.56 : 46,002.24 = 21,428.88 : x
  2. Step 2: Convert to fraction form
    33,331.56/46,002.24 = 21,428.88/x
  3. Step 3: Cross multiply
    33,331.56x = 46,002.24 × 21,428.88
  4. Step 4: Simplify right side
    33,331.56x = 985,776,480.69
  5. Step 5: Solve for x
    x = 985,776,480.69/33,331.56
  6. Step 6: Final answer
    x = 29,574.87

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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.