Home / 29,920.10-41,289.53-16,491.38

Finding the Fourth Proportional to 29,920.10, 41,289.53 and 16,491.38

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Solution

The fourth proportional to 29,920.10, 41,289.53 and 16,491.38 is: 22,757.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,920.10 : 41,289.53 = 16,491.38 : x
  2. Step 2: Convert to fraction form
    29,920.10/41,289.53 = 16,491.38/x
  3. Step 3: Cross multiply
    29,920.10x = 41,289.53 × 16,491.38
  4. Step 4: Simplify right side
    29,920.10x = 680,921,040.35
  5. Step 5: Solve for x
    x = 680,921,040.35/29,920.10
  6. Step 6: Final answer
    x = 22,757.98

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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.