Home / 30,745.71-46,014.31-18,906.92

Finding the Fourth Proportional to 30,745.71, 46,014.31 and 18,906.92

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Solution

The fourth proportional to 30,745.71, 46,014.31 and 18,906.92 is: 28,296.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,745.71 : 46,014.31 = 18,906.92 : x
  2. Step 2: Convert to fraction form
    30,745.71/46,014.31 = 18,906.92/x
  3. Step 3: Cross multiply
    30,745.71x = 46,014.31 × 18,906.92
  4. Step 4: Simplify right side
    30,745.71x = 869,988,600.69
  5. Step 5: Solve for x
    x = 869,988,600.69/30,745.71
  6. Step 6: Final answer
    x = 28,296.26

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1.5x scale

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.