Home / 30,339.46-41,868.64-16,911.56

Finding the Fourth Proportional to 30,339.46, 41,868.64 and 16,911.56

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Solution

The fourth proportional to 30,339.46, 41,868.64 and 16,911.56 is: 23,338.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,339.46 : 41,868.64 = 16,911.56 : x
  2. Step 2: Convert to fraction form
    30,339.46/41,868.64 = 16,911.56/x
  3. Step 3: Cross multiply
    30,339.46x = 41,868.64 × 16,911.56
  4. Step 4: Simplify right side
    30,339.46x = 708,064,017.48
  5. Step 5: Solve for x
    x = 708,064,017.48/30,339.46
  6. Step 6: Final answer
    x = 23,338.06

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1.5x scale

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.