Home / 31,822.83-43,931.97-22,433.31

Finding the Fourth Proportional to 31,822.83, 43,931.97 and 22,433.31

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Solution

The fourth proportional to 31,822.83, 43,931.97 and 22,433.31 is: 30,969.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,822.83 : 43,931.97 = 22,433.31 : x
  2. Step 2: Convert to fraction form
    31,822.83/43,931.97 = 22,433.31/x
  3. Step 3: Cross multiply
    31,822.83x = 43,931.97 × 22,433.31
  4. Step 4: Simplify right side
    31,822.83x = 985,539,501.92
  5. Step 5: Solve for x
    x = 985,539,501.92/31,822.83
  6. Step 6: Final answer
    x = 30,969.57

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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.