Home / 30,576.64-45,826.56-10,839.04

Finding the Fourth Proportional to 30,576.64, 45,826.56 and 10,839.04

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Solution

The fourth proportional to 30,576.64, 45,826.56 and 10,839.04 is: 16,244.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,576.64 : 45,826.56 = 10,839.04 : x
  2. Step 2: Convert to fraction form
    30,576.64/45,826.56 = 10,839.04/x
  3. Step 3: Cross multiply
    30,576.64x = 45,826.56 × 10,839.04
  4. Step 4: Simplify right side
    30,576.64x = 496,715,916.90
  5. Step 5: Solve for x
    x = 496,715,916.90/30,576.64
  6. Step 6: Final answer
    x = 16,244.95

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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.