Home / 29,205.92-40,290.12-19,130

Finding the Fourth Proportional to 29,205.92, 40,290.12 and 19,130

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Solution

The fourth proportional to 29,205.92, 40,290.12 and 19,130 is: 26,390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,205.92 : 40,290.12 = 19,130 : x
  2. Step 2: Convert to fraction form
    29,205.92/40,290.12 = 19,130/x
  3. Step 3: Cross multiply
    29,205.92x = 40,290.12 × 19,130
  4. Step 4: Simplify right side
    29,205.92x = 770,749,995.60
  5. Step 5: Solve for x
    x = 770,749,995.60/29,205.92
  6. Step 6: Final answer
    x = 26,390.20

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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.