Home / 31,961.04-44,105.22-20,030.82

Finding the Fourth Proportional to 31,961.04, 44,105.22 and 20,030.82

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Solution

The fourth proportional to 31,961.04, 44,105.22 and 20,030.82 is: 27,641.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,961.04 : 44,105.22 = 20,030.82 : x
  2. Step 2: Convert to fraction form
    31,961.04/44,105.22 = 20,030.82/x
  3. Step 3: Cross multiply
    31,961.04x = 44,105.22 × 20,030.82
  4. Step 4: Simplify right side
    31,961.04x = 883,463,722.88
  5. Step 5: Solve for x
    x = 883,463,722.88/31,961.04
  6. Step 6: Final answer
    x = 27,641.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.