Home / 20,025.31-30,056.79-10,171.66

Finding the Fourth Proportional to 20,025.31, 30,056.79 and 10,171.66

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Solution

The fourth proportional to 20,025.31, 30,056.79 and 10,171.66 is: 15,267.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.31 : 30,056.79 = 10,171.66 : x
  2. Step 2: Convert to fraction form
    20,025.31/30,056.79 = 10,171.66/x
  3. Step 3: Cross multiply
    20,025.31x = 30,056.79 × 10,171.66
  4. Step 4: Simplify right side
    20,025.31x = 305,727,448.57
  5. Step 5: Solve for x
    x = 305,727,448.57/20,025.31
  6. Step 6: Final answer
    x = 15,267.05

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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.