Home / 50,493.06-69,677.46-28,977.84

Finding the Fourth Proportional to 50,493.06, 69,677.46 and 28,977.84

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Solution

The fourth proportional to 50,493.06, 69,677.46 and 28,977.84 is: 39,987.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,493.06 : 69,677.46 = 28,977.84 : x
  2. Step 2: Convert to fraction form
    50,493.06/69,677.46 = 28,977.84/x
  3. Step 3: Cross multiply
    50,493.06x = 69,677.46 × 28,977.84
  4. Step 4: Simplify right side
    50,493.06x = 2,019,102,287.49
  5. Step 5: Solve for x
    x = 2,019,102,287.49/50,493.06
  6. Step 6: Final answer
    x = 39,987.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.