Home / 34,861.60-48,094.18-21,428.56

Finding the Fourth Proportional to 34,861.60, 48,094.18 and 21,428.56

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Solution

The fourth proportional to 34,861.60, 48,094.18 and 21,428.56 is: 29,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,861.60 : 48,094.18 = 21,428.56 : x
  2. Step 2: Convert to fraction form
    34,861.60/48,094.18 = 21,428.56/x
  3. Step 3: Cross multiply
    34,861.60x = 48,094.18 × 21,428.56
  4. Step 4: Simplify right side
    34,861.60x = 1,030,589,021.78
  5. Step 5: Solve for x
    x = 1,030,589,021.78/34,861.60
  6. Step 6: Final answer
    x = 29,562.30

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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.