Home / 31,399.20-43,369.20-23,476.50

Finding the Fourth Proportional to 31,399.20, 43,369.20 and 23,476.50

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Solution

The fourth proportional to 31,399.20, 43,369.20 and 23,476.50 is: 32,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.20 : 43,369.20 = 23,476.50 : x
  2. Step 2: Convert to fraction form
    31,399.20/43,369.20 = 23,476.50/x
  3. Step 3: Cross multiply
    31,399.20x = 43,369.20 × 23,476.50
  4. Step 4: Simplify right side
    31,399.20x = 1,018,157,023.80
  5. Step 5: Solve for x
    x = 1,018,157,023.80/31,399.20
  6. Step 6: Final answer
    x = 32,426.21

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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.