Home / 45,131.31-67,762.58-33,321.51

Finding the Fourth Proportional to 45,131.31, 67,762.58 and 33,321.51

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Solution

The fourth proportional to 45,131.31, 67,762.58 and 33,321.51 is: 50,030.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,131.31 : 67,762.58 = 33,321.51 : x
  2. Step 2: Convert to fraction form
    45,131.31/67,762.58 = 33,321.51/x
  3. Step 3: Cross multiply
    45,131.31x = 67,762.58 × 33,321.51
  4. Step 4: Simplify right side
    45,131.31x = 2,257,951,320.49
  5. Step 5: Solve for x
    x = 2,257,951,320.49/45,131.31
  6. Step 6: Final answer
    x = 50,030.71

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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.