Home / 20,035.65-30,057.58-6,886.32

Finding the Fourth Proportional to 20,035.65, 30,057.58 and 6,886.32

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Solution

The fourth proportional to 20,035.65, 30,057.58 and 6,886.32 is: 10,330.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.65 : 30,057.58 = 6,886.32 : x
  2. Step 2: Convert to fraction form
    20,035.65/30,057.58 = 6,886.32/x
  3. Step 3: Cross multiply
    20,035.65x = 30,057.58 × 6,886.32
  4. Step 4: Simplify right side
    20,035.65x = 206,986,010.20
  5. Step 5: Solve for x
    x = 206,986,010.20/20,035.65
  6. Step 6: Final answer
    x = 10,330.88

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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.