Home / 50,458.52-69,634.88-28,102.52

Finding the Fourth Proportional to 50,458.52, 69,634.88 and 28,102.52

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Solution

The fourth proportional to 50,458.52, 69,634.88 and 28,102.52 is: 38,782.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,458.52 : 69,634.88 = 28,102.52 : x
  2. Step 2: Convert to fraction form
    50,458.52/69,634.88 = 28,102.52/x
  3. Step 3: Cross multiply
    50,458.52x = 69,634.88 × 28,102.52
  4. Step 4: Simplify right side
    50,458.52x = 1,956,915,607.90
  5. Step 5: Solve for x
    x = 1,956,915,607.90/50,458.52
  6. Step 6: Final answer
    x = 38,782.66

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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.