Home / 50,126.80-69,174.96-28,905.76

Finding the Fourth Proportional to 50,126.80, 69,174.96 and 28,905.76

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Solution

The fourth proportional to 50,126.80, 69,174.96 and 28,905.76 is: 39,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,126.80 : 69,174.96 = 28,905.76 : x
  2. Step 2: Convert to fraction form
    50,126.80/69,174.96 = 28,905.76/x
  3. Step 3: Cross multiply
    50,126.80x = 69,174.96 × 28,905.76
  4. Step 4: Simplify right side
    50,126.80x = 1,999,554,791.77
  5. Step 5: Solve for x
    x = 1,999,554,791.77/50,126.80
  6. Step 6: Final answer
    x = 39,889.93

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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.