Home / 50,455.20-75,628.80-17,144.40

Finding the Fourth Proportional to 50,455.20, 75,628.80 and 17,144.40

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Solution

The fourth proportional to 50,455.20, 75,628.80 and 17,144.40 is: 25,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,455.20 : 75,628.80 = 17,144.40 : x
  2. Step 2: Convert to fraction form
    50,455.20/75,628.80 = 17,144.40/x
  3. Step 3: Cross multiply
    50,455.20x = 75,628.80 × 17,144.40
  4. Step 4: Simplify right side
    50,455.20x = 1,296,610,398.72
  5. Step 5: Solve for x
    x = 1,296,610,398.72/50,455.20
  6. Step 6: Final answer
    x = 25,698.25

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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.