Home / 50,130.60-69,178.50-28,906.92

Finding the Fourth Proportional to 50,130.60, 69,178.50 and 28,906.92

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Solution

The fourth proportional to 50,130.60, 69,178.50 and 28,906.92 is: 39,890.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,130.60 : 69,178.50 = 28,906.92 : x
  2. Step 2: Convert to fraction form
    50,130.60/69,178.50 = 28,906.92/x
  3. Step 3: Cross multiply
    50,130.60x = 69,178.50 × 28,906.92
  4. Step 4: Simplify right side
    50,130.60x = 1,999,737,365.22
  5. Step 5: Solve for x
    x = 1,999,737,365.22/50,130.60
  6. Step 6: Final answer
    x = 39,890.55

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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.