Home / 50,212.80-75,319.20-19,048.08

Finding the Fourth Proportional to 50,212.80, 75,319.20 and 19,048.08

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Solution

The fourth proportional to 50,212.80, 75,319.20 and 19,048.08 is: 28,572.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,212.80 : 75,319.20 = 19,048.08 : x
  2. Step 2: Convert to fraction form
    50,212.80/75,319.20 = 19,048.08/x
  3. Step 3: Cross multiply
    50,212.80x = 75,319.20 × 19,048.08
  4. Step 4: Simplify right side
    50,212.80x = 1,434,686,147.14
  5. Step 5: Solve for x
    x = 1,434,686,147.14/50,212.80
  6. Step 6: Final answer
    x = 28,572.12

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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.