Home / 50,128-69,176.66-29,985.73

Finding the Fourth Proportional to 50,128, 69,176.66 and 29,985.73

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Solution

The fourth proportional to 50,128, 69,176.66 and 29,985.73 is: 41,380.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,128 : 69,176.66 = 29,985.73 : x
  2. Step 2: Convert to fraction form
    50,128/69,176.66 = 29,985.73/x
  3. Step 3: Cross multiply
    50,128x = 69,176.66 × 29,985.73
  4. Step 4: Simplify right side
    50,128x = 2,074,312,649.06
  5. Step 5: Solve for x
    x = 2,074,312,649.06/50,128
  6. Step 6: Final answer
    x = 41,380.32

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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.