Home / 56,571.51-84,857.49-19,131.78

Finding the Fourth Proportional to 56,571.51, 84,857.49 and 19,131.78

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Solution

The fourth proportional to 56,571.51, 84,857.49 and 19,131.78 is: 28,697.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,571.51 : 84,857.49 = 19,131.78 : x
  2. Step 2: Convert to fraction form
    56,571.51/84,857.49 = 19,131.78/x
  3. Step 3: Cross multiply
    56,571.51x = 84,857.49 × 19,131.78
  4. Step 4: Simplify right side
    56,571.51x = 1,623,474,830.03
  5. Step 5: Solve for x
    x = 1,623,474,830.03/56,571.51
  6. Step 6: Final answer
    x = 28,697.75

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1.5x scale

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.