Home / 50,002.47-69,020.79-28,790.19

Finding the Fourth Proportional to 50,002.47, 69,020.79 and 28,790.19

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Solution

The fourth proportional to 50,002.47, 69,020.79 and 28,790.19 is: 39,740.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,002.47 : 69,020.79 = 28,790.19 : x
  2. Step 2: Convert to fraction form
    50,002.47/69,020.79 = 28,790.19/x
  3. Step 3: Cross multiply
    50,002.47x = 69,020.79 × 28,790.19
  4. Step 4: Simplify right side
    50,002.47x = 1,987,121,550.09
  5. Step 5: Solve for x
    x = 1,987,121,550.09/50,002.47
  6. Step 6: Final answer
    x = 39,740.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.