Home / 40,791.20-61,186.81-14,496.98

Finding the Fourth Proportional to 40,791.20, 61,186.81 and 14,496.98

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Solution

The fourth proportional to 40,791.20, 61,186.81 and 14,496.98 is: 21,745.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,791.20 : 61,186.81 = 14,496.98 : x
  2. Step 2: Convert to fraction form
    40,791.20/61,186.81 = 14,496.98/x
  3. Step 3: Cross multiply
    40,791.20x = 61,186.81 × 14,496.98
  4. Step 4: Simplify right side
    40,791.20x = 887,024,077.56
  5. Step 5: Solve for x
    x = 887,024,077.56/40,791.20
  6. Step 6: Final answer
    x = 21,745.48

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1.5x scale

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.