Home / 20,162.79-30,244.86-5,371.65

Finding the Fourth Proportional to 20,162.79, 30,244.86 and 5,371.65

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Solution

The fourth proportional to 20,162.79, 30,244.86 and 5,371.65 is: 8,057.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162.79 : 30,244.86 = 5,371.65 : x
  2. Step 2: Convert to fraction form
    20,162.79/30,244.86 = 5,371.65/x
  3. Step 3: Cross multiply
    20,162.79x = 30,244.86 × 5,371.65
  4. Step 4: Simplify right side
    20,162.79x = 162,464,802.22
  5. Step 5: Solve for x
    x = 162,464,802.22/20,162.79
  6. Step 6: Final answer
    x = 8,057.65

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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.