Home / 20,176.92-30,268.22-5,386.32

Finding the Fourth Proportional to 20,176.92, 30,268.22 and 5,386.32

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Solution

The fourth proportional to 20,176.92, 30,268.22 and 5,386.32 is: 8,080.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.92 : 30,268.22 = 5,386.32 : x
  2. Step 2: Convert to fraction form
    20,176.92/30,268.22 = 5,386.32/x
  3. Step 3: Cross multiply
    20,176.92x = 30,268.22 × 5,386.32
  4. Step 4: Simplify right side
    20,176.92x = 163,034,291.82
  5. Step 5: Solve for x
    x = 163,034,291.82/20,176.92
  6. Step 6: Final answer
    x = 8,080.24

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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.