Home / 31,433.43-47,107.20-17,372.64

Finding the Fourth Proportional to 31,433.43, 47,107.20 and 17,372.64

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Solution

The fourth proportional to 31,433.43, 47,107.20 and 17,372.64 is: 26,035.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,433.43 : 47,107.20 = 17,372.64 : x
  2. Step 2: Convert to fraction form
    31,433.43/47,107.20 = 17,372.64/x
  3. Step 3: Cross multiply
    31,433.43x = 47,107.20 × 17,372.64
  4. Step 4: Simplify right side
    31,433.43x = 818,376,427.01
  5. Step 5: Solve for x
    x = 818,376,427.01/31,433.43
  6. Step 6: Final answer
    x = 26,035.23

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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.