Home / 31,475.43-43,433.44-18,043.60

Finding the Fourth Proportional to 31,475.43, 43,433.44 and 18,043.60

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Solution

The fourth proportional to 31,475.43, 43,433.44 and 18,043.60 is: 24,898.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475.43 : 43,433.44 = 18,043.60 : x
  2. Step 2: Convert to fraction form
    31,475.43/43,433.44 = 18,043.60/x
  3. Step 3: Cross multiply
    31,475.43x = 43,433.44 × 18,043.60
  4. Step 4: Simplify right side
    31,475.43x = 783,695,617.98
  5. Step 5: Solve for x
    x = 783,695,617.98/31,475.43
  6. Step 6: Final answer
    x = 24,898.65

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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.