Home / 29,870.72-41,220.70-16,441.96

Finding the Fourth Proportional to 29,870.72, 41,220.70 and 16,441.96

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Solution

The fourth proportional to 29,870.72, 41,220.70 and 16,441.96 is: 22,689.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,870.72 : 41,220.70 = 16,441.96 : x
  2. Step 2: Convert to fraction form
    29,870.72/41,220.70 = 16,441.96/x
  3. Step 3: Cross multiply
    29,870.72x = 41,220.70 × 16,441.96
  4. Step 4: Simplify right side
    29,870.72x = 677,749,100.57
  5. Step 5: Solve for x
    x = 677,749,100.57/29,870.72
  6. Step 6: Final answer
    x = 22,689.41

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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.