Home / 50,107.95-69,154.80-28,887.97

Finding the Fourth Proportional to 50,107.95, 69,154.80 and 28,887.97

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Solution

The fourth proportional to 50,107.95, 69,154.80 and 28,887.97 is: 39,868.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,107.95 : 69,154.80 = 28,887.97 : x
  2. Step 2: Convert to fraction form
    50,107.95/69,154.80 = 28,887.97/x
  3. Step 3: Cross multiply
    50,107.95x = 69,154.80 × 28,887.97
  4. Step 4: Simplify right side
    50,107.95x = 1,997,741,643.32
  5. Step 5: Solve for x
    x = 1,997,741,643.32/50,107.95
  6. Step 6: Final answer
    x = 39,868.76

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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.