Home / 30,989.92-46,452.90-12,262.36

Finding the Fourth Proportional to 30,989.92, 46,452.90 and 12,262.36

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Solution

The fourth proportional to 30,989.92, 46,452.90 and 12,262.36 is: 18,380.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,989.92 : 46,452.90 = 12,262.36 : x
  2. Step 2: Convert to fraction form
    30,989.92/46,452.90 = 12,262.36/x
  3. Step 3: Cross multiply
    30,989.92x = 46,452.90 × 12,262.36
  4. Step 4: Simplify right side
    30,989.92x = 569,622,182.84
  5. Step 5: Solve for x
    x = 569,622,182.84/30,989.92
  6. Step 6: Final answer
    x = 18,380.89

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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.