Home / 37,128.39-55,692.07-9,048.66

Finding the Fourth Proportional to 37,128.39, 55,692.07 and 9,048.66

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Solution

The fourth proportional to 37,128.39, 55,692.07 and 9,048.66 is: 13,572.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,128.39 : 55,692.07 = 9,048.66 : x
  2. Step 2: Convert to fraction form
    37,128.39/55,692.07 = 9,048.66/x
  3. Step 3: Cross multiply
    37,128.39x = 55,692.07 × 9,048.66
  4. Step 4: Simplify right side
    37,128.39x = 503,938,425.56
  5. Step 5: Solve for x
    x = 503,938,425.56/37,128.39
  6. Step 6: Final answer
    x = 13,572.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.