Home / 30,102.37-41,539.43-16,672.82

Finding the Fourth Proportional to 30,102.37, 41,539.43 and 16,672.82

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Solution

The fourth proportional to 30,102.37, 41,539.43 and 16,672.82 is: 23,007.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,102.37 : 41,539.43 = 16,672.82 : x
  2. Step 2: Convert to fraction form
    30,102.37/41,539.43 = 16,672.82/x
  3. Step 3: Cross multiply
    30,102.37x = 41,539.43 × 16,672.82
  4. Step 4: Simplify right side
    30,102.37x = 692,579,439.29
  5. Step 5: Solve for x
    x = 692,579,439.29/30,102.37
  6. Step 6: Final answer
    x = 23,007.48

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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.