Home / 29,920.77-41,290.16-16,491.99

Finding the Fourth Proportional to 29,920.77, 41,290.16 and 16,491.99

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Solution

The fourth proportional to 29,920.77, 41,290.16 and 16,491.99 is: 22,758.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,920.77 : 41,290.16 = 16,491.99 : x
  2. Step 2: Convert to fraction form
    29,920.77/41,290.16 = 16,491.99/x
  3. Step 3: Cross multiply
    29,920.77x = 41,290.16 × 16,491.99
  4. Step 4: Simplify right side
    29,920.77x = 680,956,823.36
  5. Step 5: Solve for x
    x = 680,956,823.36/29,920.77
  6. Step 6: Final answer
    x = 22,758.67

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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.