Home / 31,394.56-43,311.96-17,963.20

Finding the Fourth Proportional to 31,394.56, 43,311.96 and 17,963.20

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Solution

The fourth proportional to 31,394.56, 43,311.96 and 17,963.20 is: 24,782.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,394.56 : 43,311.96 = 17,963.20 : x
  2. Step 2: Convert to fraction form
    31,394.56/43,311.96 = 17,963.20/x
  3. Step 3: Cross multiply
    31,394.56x = 43,311.96 × 17,963.20
  4. Step 4: Simplify right side
    31,394.56x = 778,021,399.87
  5. Step 5: Solve for x
    x = 778,021,399.87/31,394.56
  6. Step 6: Final answer
    x = 24,782.05

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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.