Home / 50,571.12-69,773.76-30,417.92

Finding the Fourth Proportional to 50,571.12, 69,773.76 and 30,417.92

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Solution

The fourth proportional to 50,571.12, 69,773.76 and 30,417.92 is: 41,968.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,571.12 : 69,773.76 = 30,417.92 : x
  2. Step 2: Convert to fraction form
    50,571.12/69,773.76 = 30,417.92/x
  3. Step 3: Cross multiply
    50,571.12x = 69,773.76 × 30,417.92
  4. Step 4: Simplify right side
    50,571.12x = 2,122,372,649.78
  5. Step 5: Solve for x
    x = 2,122,372,649.78/50,571.12
  6. Step 6: Final answer
    x = 41,968.08

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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.