Home / 20,770.66-31,151.31-5,976.28

Finding the Fourth Proportional to 20,770.66, 31,151.31 and 5,976.28

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Solution

The fourth proportional to 20,770.66, 31,151.31 and 5,976.28 is: 8,963.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,770.66 : 31,151.31 = 5,976.28 : x
  2. Step 2: Convert to fraction form
    20,770.66/31,151.31 = 5,976.28/x
  3. Step 3: Cross multiply
    20,770.66x = 31,151.31 × 5,976.28
  4. Step 4: Simplify right side
    20,770.66x = 186,168,950.93
  5. Step 5: Solve for x
    x = 186,168,950.93/20,770.66
  6. Step 6: Final answer
    x = 8,963.07

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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.