Home / 50,146.47-75,219.69-20,544.09

Finding the Fourth Proportional to 50,146.47, 75,219.69 and 20,544.09

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Solution

The fourth proportional to 50,146.47, 75,219.69 and 20,544.09 is: 30,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,146.47 : 75,219.69 = 20,544.09 : x
  2. Step 2: Convert to fraction form
    50,146.47/75,219.69 = 20,544.09/x
  3. Step 3: Cross multiply
    50,146.47x = 75,219.69 × 20,544.09
  4. Step 4: Simplify right side
    50,146.47x = 1,545,320,081.13
  5. Step 5: Solve for x
    x = 1,545,320,081.13/50,146.47
  6. Step 6: Final answer
    x = 30,816.13

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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.