Home / 31,945.32-44,084.25-18,520.92

Finding the Fourth Proportional to 31,945.32, 44,084.25 and 18,520.92

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Solution

The fourth proportional to 31,945.32, 44,084.25 and 18,520.92 is: 25,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,945.32 : 44,084.25 = 18,520.92 : x
  2. Step 2: Convert to fraction form
    31,945.32/44,084.25 = 18,520.92/x
  3. Step 3: Cross multiply
    31,945.32x = 44,084.25 × 18,520.92
  4. Step 4: Simplify right side
    31,945.32x = 816,480,867.51
  5. Step 5: Solve for x
    x = 816,480,867.51/31,945.32
  6. Step 6: Final answer
    x = 25,558.70

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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.