Home / 30,688.88-46,033.94-9,628.48

Finding the Fourth Proportional to 30,688.88, 46,033.94 and 9,628.48

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Solution

The fourth proportional to 30,688.88, 46,033.94 and 9,628.48 is: 14,442.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,688.88 : 46,033.94 = 9,628.48 : x
  2. Step 2: Convert to fraction form
    30,688.88/46,033.94 = 9,628.48/x
  3. Step 3: Cross multiply
    30,688.88x = 46,033.94 × 9,628.48
  4. Step 4: Simplify right side
    30,688.88x = 443,236,592.30
  5. Step 5: Solve for x
    x = 443,236,592.30/30,688.88
  6. Step 6: Final answer
    x = 14,442.91

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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.