Home / 30,911.88-46,340.46-13,372.14

Finding the Fourth Proportional to 30,911.88, 46,340.46 and 13,372.14

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Solution

The fourth proportional to 30,911.88, 46,340.46 and 13,372.14 is: 20,046.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,911.88 : 46,340.46 = 13,372.14 : x
  2. Step 2: Convert to fraction form
    30,911.88/46,340.46 = 13,372.14/x
  3. Step 3: Cross multiply
    30,911.88x = 46,340.46 × 13,372.14
  4. Step 4: Simplify right side
    30,911.88x = 619,671,118.78
  5. Step 5: Solve for x
    x = 619,671,118.78/30,911.88
  6. Step 6: Final answer
    x = 20,046.37

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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.