Home / 50,191.20-69,261.12-28,969.20

Finding the Fourth Proportional to 50,191.20, 69,261.12 and 28,969.20

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Solution

The fourth proportional to 50,191.20, 69,261.12 and 28,969.20 is: 39,975.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,191.20 : 69,261.12 = 28,969.20 : x
  2. Step 2: Convert to fraction form
    50,191.20/69,261.12 = 28,969.20/x
  3. Step 3: Cross multiply
    50,191.20x = 69,261.12 × 28,969.20
  4. Step 4: Simplify right side
    50,191.20x = 2,006,439,237.50
  5. Step 5: Solve for x
    x = 2,006,439,237.50/50,191.20
  6. Step 6: Final answer
    x = 39,975.92

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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.