Home / 55,297.68-82,950.84-20,236.56

Finding the Fourth Proportional to 55,297.68, 82,950.84 and 20,236.56

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Solution

The fourth proportional to 55,297.68, 82,950.84 and 20,236.56 is: 30,356.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,297.68 : 82,950.84 = 20,236.56 : x
  2. Step 2: Convert to fraction form
    55,297.68/82,950.84 = 20,236.56/x
  3. Step 3: Cross multiply
    55,297.68x = 82,950.84 × 20,236.56
  4. Step 4: Simplify right side
    55,297.68x = 1,678,639,650.71
  5. Step 5: Solve for x
    x = 1,678,639,650.71/55,297.68
  6. Step 6: Final answer
    x = 30,356.42

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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.