Home / 51,889.76-71,617.20-40,692.32

Finding the Fourth Proportional to 51,889.76, 71,617.20 and 40,692.32

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Solution

The fourth proportional to 51,889.76, 71,617.20 and 40,692.32 is: 56,162.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,889.76 : 71,617.20 = 40,692.32 : x
  2. Step 2: Convert to fraction form
    51,889.76/71,617.20 = 40,692.32/x
  3. Step 3: Cross multiply
    51,889.76x = 71,617.20 × 40,692.32
  4. Step 4: Simplify right side
    51,889.76x = 2,914,270,019.90
  5. Step 5: Solve for x
    x = 2,914,270,019.90/51,889.76
  6. Step 6: Final answer
    x = 56,162.72

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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.