Home / 38,991.11-58,512.60-21,226.25

Finding the Fourth Proportional to 38,991.11, 58,512.60 and 21,226.25

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Solution

The fourth proportional to 38,991.11, 58,512.60 and 21,226.25 is: 31,853.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,991.11 : 58,512.60 = 21,226.25 : x
  2. Step 2: Convert to fraction form
    38,991.11/58,512.60 = 21,226.25/x
  3. Step 3: Cross multiply
    38,991.11x = 58,512.60 × 21,226.25
  4. Step 4: Simplify right side
    38,991.11x = 1,242,002,783.19
  5. Step 5: Solve for x
    x = 1,242,002,783.19/38,991.11
  6. Step 6: Final answer
    x = 31,853.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.