Home / 56,694.34-85,039.62-30,450.34

Finding the Fourth Proportional to 56,694.34, 85,039.62 and 30,450.34

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Solution

The fourth proportional to 56,694.34, 85,039.62 and 30,450.34 is: 45,674.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,694.34 : 85,039.62 = 30,450.34 : x
  2. Step 2: Convert to fraction form
    56,694.34/85,039.62 = 30,450.34/x
  3. Step 3: Cross multiply
    56,694.34x = 85,039.62 × 30,450.34
  4. Step 4: Simplify right side
    56,694.34x = 2,589,485,342.47
  5. Step 5: Solve for x
    x = 2,589,485,342.47/56,694.34
  6. Step 6: Final answer
    x = 45,674.49

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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.