Home / 51,951.09-71,692.34-28,077.69

Finding the Fourth Proportional to 51,951.09, 71,692.34 and 28,077.69

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Solution

The fourth proportional to 51,951.09, 71,692.34 and 28,077.69 is: 38,747.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,951.09 : 71,692.34 = 28,077.69 : x
  2. Step 2: Convert to fraction form
    51,951.09/71,692.34 = 28,077.69/x
  3. Step 3: Cross multiply
    51,951.09x = 71,692.34 × 28,077.69
  4. Step 4: Simplify right side
    51,951.09x = 2,012,955,157.51
  5. Step 5: Solve for x
    x = 2,012,955,157.51/51,951.09
  6. Step 6: Final answer
    x = 38,747.12

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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.