Home / 50,279.07-75,417.62-20,292.51

Finding the Fourth Proportional to 50,279.07, 75,417.62 and 20,292.51

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Solution

The fourth proportional to 50,279.07, 75,417.62 and 20,292.51 is: 30,438.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,279.07 : 75,417.62 = 20,292.51 : x
  2. Step 2: Convert to fraction form
    50,279.07/75,417.62 = 20,292.51/x
  3. Step 3: Cross multiply
    50,279.07x = 75,417.62 × 20,292.51
  4. Step 4: Simplify right side
    50,279.07x = 1,530,412,858.76
  5. Step 5: Solve for x
    x = 1,530,412,858.76/50,279.07
  6. Step 6: Final answer
    x = 30,438.37

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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.