Home / 50,488.62-75,767.91-20,090.63

Finding the Fourth Proportional to 50,488.62, 75,767.91 and 20,090.63

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Solution

The fourth proportional to 50,488.62, 75,767.91 and 20,090.63 is: 30,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,488.62 : 75,767.91 = 20,090.63 : x
  2. Step 2: Convert to fraction form
    50,488.62/75,767.91 = 20,090.63/x
  3. Step 3: Cross multiply
    50,488.62x = 75,767.91 × 20,090.63
  4. Step 4: Simplify right side
    50,488.62x = 1,522,225,159.76
  5. Step 5: Solve for x
    x = 1,522,225,159.76/50,488.62
  6. Step 6: Final answer
    x = 30,149.87

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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.