Home / 29,920.24-41,289.40-16,491.55

Finding the Fourth Proportional to 29,920.24, 41,289.40 and 16,491.55

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Solution

The fourth proportional to 29,920.24, 41,289.40 and 16,491.55 is: 22,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,920.24 : 41,289.40 = 16,491.55 : x
  2. Step 2: Convert to fraction form
    29,920.24/41,289.40 = 16,491.55/x
  3. Step 3: Cross multiply
    29,920.24x = 41,289.40 × 16,491.55
  4. Step 4: Simplify right side
    29,920.24x = 680,926,204.57
  5. Step 5: Solve for x
    x = 680,926,204.57/29,920.24
  6. Step 6: Final answer
    x = 22,758.05

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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.