Home / 20,691.66-31,039.32-5,900.26

Finding the Fourth Proportional to 20,691.66, 31,039.32 and 5,900.26

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Solution

The fourth proportional to 20,691.66, 31,039.32 and 5,900.26 is: 8,850.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,691.66 : 31,039.32 = 5,900.26 : x
  2. Step 2: Convert to fraction form
    20,691.66/31,039.32 = 5,900.26/x
  3. Step 3: Cross multiply
    20,691.66x = 31,039.32 × 5,900.26
  4. Step 4: Simplify right side
    20,691.66x = 183,140,058.22
  5. Step 5: Solve for x
    x = 183,140,058.22/20,691.66
  6. Step 6: Final answer
    x = 8,850.91

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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.