Home / 50,670.57-69,922.34-28,008.21

Finding the Fourth Proportional to 50,670.57, 69,922.34 and 28,008.21

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Solution

The fourth proportional to 50,670.57, 69,922.34 and 28,008.21 is: 38,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,670.57 : 69,922.34 = 28,008.21 : x
  2. Step 2: Convert to fraction form
    50,670.57/69,922.34 = 28,008.21/x
  3. Step 3: Cross multiply
    50,670.57x = 69,922.34 × 28,008.21
  4. Step 4: Simplify right side
    50,670.57x = 1,958,399,582.41
  5. Step 5: Solve for x
    x = 1,958,399,582.41/50,670.57
  6. Step 6: Final answer
    x = 38,649.65

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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.