Home / 50,486.74-75,729.89-13,043.63

Finding the Fourth Proportional to 50,486.74, 75,729.89 and 13,043.63

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Solution

The fourth proportional to 50,486.74, 75,729.89 and 13,043.63 is: 19,565.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,486.74 : 75,729.89 = 13,043.63 : x
  2. Step 2: Convert to fraction form
    50,486.74/75,729.89 = 13,043.63/x
  3. Step 3: Cross multiply
    50,486.74x = 75,729.89 × 13,043.63
  4. Step 4: Simplify right side
    50,486.74x = 987,792,813.66
  5. Step 5: Solve for x
    x = 987,792,813.66/50,486.74
  6. Step 6: Final answer
    x = 19,565.39

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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.