Home / 31,027.34-46,523.34-21,178.55

Finding the Fourth Proportional to 31,027.34, 46,523.34 and 21,178.55

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Solution

The fourth proportional to 31,027.34, 46,523.34 and 21,178.55 is: 31,755.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,027.34 : 46,523.34 = 21,178.55 : x
  2. Step 2: Convert to fraction form
    31,027.34/46,523.34 = 21,178.55/x
  3. Step 3: Cross multiply
    31,027.34x = 46,523.34 × 21,178.55
  4. Step 4: Simplify right side
    31,027.34x = 985,296,649.74
  5. Step 5: Solve for x
    x = 985,296,649.74/31,027.34
  6. Step 6: Final answer
    x = 31,755.76

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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.