Home / 38,992.32-53,827.20-31,993.92

Finding the Fourth Proportional to 38,992.32, 53,827.20 and 31,993.92

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Solution

The fourth proportional to 38,992.32, 53,827.20 and 31,993.92 is: 44,166.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,992.32 : 53,827.20 = 31,993.92 : x
  2. Step 2: Convert to fraction form
    38,992.32/53,827.20 = 31,993.92/x
  3. Step 3: Cross multiply
    38,992.32x = 53,827.20 × 31,993.92
  4. Step 4: Simplify right side
    38,992.32x = 1,722,143,130.62
  5. Step 5: Solve for x
    x = 1,722,143,130.62/38,992.32
  6. Step 6: Final answer
    x = 44,166.21

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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.