Home / 34,742.83-52,183.99-20,730.21

Finding the Fourth Proportional to 34,742.83, 52,183.99 and 20,730.21

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Solution

The fourth proportional to 34,742.83, 52,183.99 and 20,730.21 is: 31,136.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,742.83 : 52,183.99 = 20,730.21 : x
  2. Step 2: Convert to fraction form
    34,742.83/52,183.99 = 20,730.21/x
  3. Step 3: Cross multiply
    34,742.83x = 52,183.99 × 20,730.21
  4. Step 4: Simplify right side
    34,742.83x = 1,081,785,071.34
  5. Step 5: Solve for x
    x = 1,081,785,071.34/34,742.83
  6. Step 6: Final answer
    x = 31,136.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.