Home / 30,341.31-41,872.45-16,912.66

Finding the Fourth Proportional to 30,341.31, 41,872.45 and 16,912.66

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Solution

The fourth proportional to 30,341.31, 41,872.45 and 16,912.66 is: 23,340.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,341.31 : 41,872.45 = 16,912.66 : x
  2. Step 2: Convert to fraction form
    30,341.31/41,872.45 = 16,912.66/x
  3. Step 3: Cross multiply
    30,341.31x = 41,872.45 × 16,912.66
  4. Step 4: Simplify right side
    30,341.31x = 708,174,510.22
  5. Step 5: Solve for x
    x = 708,174,510.22/30,341.31
  6. Step 6: Final answer
    x = 23,340.27

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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.