Home / 31,749.23-43,814.51-17,408.79

Finding the Fourth Proportional to 31,749.23, 43,814.51 and 17,408.79

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Solution

The fourth proportional to 31,749.23, 43,814.51 and 17,408.79 is: 24,024.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,749.23 : 43,814.51 = 17,408.79 : x
  2. Step 2: Convert to fraction form
    31,749.23/43,814.51 = 17,408.79/x
  3. Step 3: Cross multiply
    31,749.23x = 43,814.51 × 17,408.79
  4. Step 4: Simplify right side
    31,749.23x = 762,757,581.78
  5. Step 5: Solve for x
    x = 762,757,581.78/31,749.23
  6. Step 6: Final answer
    x = 24,024.44

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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.