Home / 50,327.60-75,491.13-12,887.60

Finding the Fourth Proportional to 50,327.60, 75,491.13 and 12,887.60

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Solution

The fourth proportional to 50,327.60, 75,491.13 and 12,887.60 is: 19,331.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,327.60 : 75,491.13 = 12,887.60 : x
  2. Step 2: Convert to fraction form
    50,327.60/75,491.13 = 12,887.60/x
  3. Step 3: Cross multiply
    50,327.60x = 75,491.13 × 12,887.60
  4. Step 4: Simplify right side
    50,327.60x = 972,899,486.99
  5. Step 5: Solve for x
    x = 972,899,486.99/50,327.60
  6. Step 6: Final answer
    x = 19,331.33

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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.