Home / 61,629.20-92,414.52-30,428

Finding the Fourth Proportional to 61,629.20, 92,414.52 and 30,428

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Solution

The fourth proportional to 61,629.20, 92,414.52 and 30,428 is: 45,627.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,629.20 : 92,414.52 = 30,428 : x
  2. Step 2: Convert to fraction form
    61,629.20/92,414.52 = 30,428/x
  3. Step 3: Cross multiply
    61,629.20x = 92,414.52 × 30,428
  4. Step 4: Simplify right side
    61,629.20x = 2,811,989,014.56
  5. Step 5: Solve for x
    x = 2,811,989,014.56/61,629.20
  6. Step 6: Final answer
    x = 45,627.54

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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.