Home / 30,408.39-41,966.64-18,472.92

Finding the Fourth Proportional to 30,408.39, 41,966.64 and 18,472.92

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Solution

The fourth proportional to 30,408.39, 41,966.64 and 18,472.92 is: 25,494.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,408.39 : 41,966.64 = 18,472.92 : x
  2. Step 2: Convert to fraction form
    30,408.39/41,966.64 = 18,472.92/x
  3. Step 3: Cross multiply
    30,408.39x = 41,966.64 × 18,472.92
  4. Step 4: Simplify right side
    30,408.39x = 775,246,383.39
  5. Step 5: Solve for x
    x = 775,246,383.39/30,408.39
  6. Step 6: Final answer
    x = 25,494.49

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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.