Home / 50,113.80-75,164.22-18,945

Finding the Fourth Proportional to 50,113.80, 75,164.22 and 18,945

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Solution

The fourth proportional to 50,113.80, 75,164.22 and 18,945 is: 28,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,113.80 : 75,164.22 = 18,945 : x
  2. Step 2: Convert to fraction form
    50,113.80/75,164.22 = 18,945/x
  3. Step 3: Cross multiply
    50,113.80x = 75,164.22 × 18,945
  4. Step 4: Simplify right side
    50,113.80x = 1,423,986,147.90
  5. Step 5: Solve for x
    x = 1,423,986,147.90/50,113.80
  6. Step 6: Final answer
    x = 28,415.05

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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.