Home / 29,099.12-40,155-17,162.96

Finding the Fourth Proportional to 29,099.12, 40,155 and 17,162.96

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Solution

The fourth proportional to 29,099.12, 40,155 and 17,162.96 is: 23,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,099.12 : 40,155 = 17,162.96 : x
  2. Step 2: Convert to fraction form
    29,099.12/40,155 = 17,162.96/x
  3. Step 3: Cross multiply
    29,099.12x = 40,155 × 17,162.96
  4. Step 4: Simplify right side
    29,099.12x = 689,178,658.80
  5. Step 5: Solve for x
    x = 689,178,658.80/29,099.12
  6. Step 6: Final answer
    x = 23,683.83

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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.