Home / 20,050.56-30,065.64-6,718.92

Finding the Fourth Proportional to 20,050.56, 30,065.64 and 6,718.92

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Solution

The fourth proportional to 20,050.56, 30,065.64 and 6,718.92 is: 10,074.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.56 : 30,065.64 = 6,718.92 : x
  2. Step 2: Convert to fraction form
    20,050.56/30,065.64 = 6,718.92/x
  3. Step 3: Cross multiply
    20,050.56x = 30,065.64 × 6,718.92
  4. Step 4: Simplify right side
    20,050.56x = 202,008,629.91
  5. Step 5: Solve for x
    x = 202,008,629.91/20,050.56
  6. Step 6: Final answer
    x = 10,074.96

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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.