Home / 56,887.82-85,340.39-18,406.49

Finding the Fourth Proportional to 56,887.82, 85,340.39 and 18,406.49

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Solution

The fourth proportional to 56,887.82, 85,340.39 and 18,406.49 is: 27,612.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,887.82 : 85,340.39 = 18,406.49 : x
  2. Step 2: Convert to fraction form
    56,887.82/85,340.39 = 18,406.49/x
  3. Step 3: Cross multiply
    56,887.82x = 85,340.39 × 18,406.49
  4. Step 4: Simplify right side
    56,887.82x = 1,570,816,996.44
  5. Step 5: Solve for x
    x = 1,570,816,996.44/56,887.82
  6. Step 6: Final answer
    x = 27,612.54

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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.