Home / 51,492.55-77,236.26-30,157.25

Finding the Fourth Proportional to 51,492.55, 77,236.26 and 30,157.25

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Solution

The fourth proportional to 51,492.55, 77,236.26 and 30,157.25 is: 45,234.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,492.55 : 77,236.26 = 30,157.25 : x
  2. Step 2: Convert to fraction form
    51,492.55/77,236.26 = 30,157.25/x
  3. Step 3: Cross multiply
    51,492.55x = 77,236.26 × 30,157.25
  4. Step 4: Simplify right side
    51,492.55x = 2,329,233,201.89
  5. Step 5: Solve for x
    x = 2,329,233,201.89/51,492.55
  6. Step 6: Final answer
    x = 45,234.37

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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.