Home / 31,415.50-43,353.48-17,986.96

Finding the Fourth Proportional to 31,415.50, 43,353.48 and 17,986.96

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Solution

The fourth proportional to 31,415.50, 43,353.48 and 17,986.96 is: 24,822.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,415.50 : 43,353.48 = 17,986.96 : x
  2. Step 2: Convert to fraction form
    31,415.50/43,353.48 = 17,986.96/x
  3. Step 3: Cross multiply
    31,415.50x = 43,353.48 × 17,986.96
  4. Step 4: Simplify right side
    31,415.50x = 779,797,310.62
  5. Step 5: Solve for x
    x = 779,797,310.62/31,415.50
  6. Step 6: Final answer
    x = 24,822.06

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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.