Home / 31,385.37-43,311.67-17,045.09

Finding the Fourth Proportional to 31,385.37, 43,311.67 and 17,045.09

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Solution

The fourth proportional to 31,385.37, 43,311.67 and 17,045.09 is: 23,522.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,385.37 : 43,311.67 = 17,045.09 : x
  2. Step 2: Convert to fraction form
    31,385.37/43,311.67 = 17,045.09/x
  3. Step 3: Cross multiply
    31,385.37x = 43,311.67 × 17,045.09
  4. Step 4: Simplify right side
    31,385.37x = 738,251,313.20
  5. Step 5: Solve for x
    x = 738,251,313.20/31,385.37
  6. Step 6: Final answer
    x = 23,522.15

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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.