Home / 50,279.67-75,419.45-12,839.77

Finding the Fourth Proportional to 50,279.67, 75,419.45 and 12,839.77

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Solution

The fourth proportional to 50,279.67, 75,419.45 and 12,839.77 is: 19,259.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,279.67 : 75,419.45 = 12,839.77 : x
  2. Step 2: Convert to fraction form
    50,279.67/75,419.45 = 12,839.77/x
  3. Step 3: Cross multiply
    50,279.67x = 75,419.45 × 12,839.77
  4. Step 4: Simplify right side
    50,279.67x = 968,368,645.76
  5. Step 5: Solve for x
    x = 968,368,645.76/50,279.67
  6. Step 6: Final answer
    x = 19,259.64

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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.