Home / 31,601.54-43,612.43-18,177.01

Finding the Fourth Proportional to 31,601.54, 43,612.43 and 18,177.01

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Solution

The fourth proportional to 31,601.54, 43,612.43 and 18,177.01 is: 25,085.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,601.54 : 43,612.43 = 18,177.01 : x
  2. Step 2: Convert to fraction form
    31,601.54/43,612.43 = 18,177.01/x
  3. Step 3: Cross multiply
    31,601.54x = 43,612.43 × 18,177.01
  4. Step 4: Simplify right side
    31,601.54x = 792,743,376.32
  5. Step 5: Solve for x
    x = 792,743,376.32/31,601.54
  6. Step 6: Final answer
    x = 25,085.59

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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.