Home / 43,418.25-65,127.38-12,253.50

Finding the Fourth Proportional to 43,418.25, 65,127.38 and 12,253.50

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Solution

The fourth proportional to 43,418.25, 65,127.38 and 12,253.50 is: 18,380.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,418.25 : 65,127.38 = 12,253.50 : x
  2. Step 2: Convert to fraction form
    43,418.25/65,127.38 = 12,253.50/x
  3. Step 3: Cross multiply
    43,418.25x = 65,127.38 × 12,253.50
  4. Step 4: Simplify right side
    43,418.25x = 798,038,289.56
  5. Step 5: Solve for x
    x = 798,038,289.56/43,418.25
  6. Step 6: Final answer
    x = 18,380.25

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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.