Home / 20,585.11-30,879.33-5,795.22

Finding the Fourth Proportional to 20,585.11, 30,879.33 and 5,795.22

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Solution

The fourth proportional to 20,585.11, 30,879.33 and 5,795.22 is: 8,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,585.11 : 30,879.33 = 5,795.22 : x
  2. Step 2: Convert to fraction form
    20,585.11/30,879.33 = 5,795.22/x
  3. Step 3: Cross multiply
    20,585.11x = 30,879.33 × 5,795.22
  4. Step 4: Simplify right side
    20,585.11x = 178,952,510.80
  5. Step 5: Solve for x
    x = 178,952,510.80/20,585.11
  6. Step 6: Final answer
    x = 8,693.30

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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.