Home / 50,637.09-69,879.20-28,281.09

Finding the Fourth Proportional to 50,637.09, 69,879.20 and 28,281.09

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Solution

The fourth proportional to 50,637.09, 69,879.20 and 28,281.09 is: 39,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,637.09 : 69,879.20 = 28,281.09 : x
  2. Step 2: Convert to fraction form
    50,637.09/69,879.20 = 28,281.09/x
  3. Step 3: Cross multiply
    50,637.09x = 69,879.20 × 28,281.09
  4. Step 4: Simplify right side
    50,637.09x = 1,976,260,064.97
  5. Step 5: Solve for x
    x = 1,976,260,064.97/50,637.09
  6. Step 6: Final answer
    x = 39,027.91

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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.