Home / 31,304.25-43,199.87-18,056.25

Finding the Fourth Proportional to 31,304.25, 43,199.87 and 18,056.25

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Solution

The fourth proportional to 31,304.25, 43,199.87 and 18,056.25 is: 24,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,304.25 : 43,199.87 = 18,056.25 : x
  2. Step 2: Convert to fraction form
    31,304.25/43,199.87 = 18,056.25/x
  3. Step 3: Cross multiply
    31,304.25x = 43,199.87 × 18,056.25
  4. Step 4: Simplify right side
    31,304.25x = 780,027,652.69
  5. Step 5: Solve for x
    x = 780,027,652.69/31,304.25
  6. Step 6: Final answer
    x = 24,917.63

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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.