Home / 30,800.79-46,201.06-12,067.60

Finding the Fourth Proportional to 30,800.79, 46,201.06 and 12,067.60

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Solution

The fourth proportional to 30,800.79, 46,201.06 and 12,067.60 is: 18,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,800.79 : 46,201.06 = 12,067.60 : x
  2. Step 2: Convert to fraction form
    30,800.79/46,201.06 = 12,067.60/x
  3. Step 3: Cross multiply
    30,800.79x = 46,201.06 × 12,067.60
  4. Step 4: Simplify right side
    30,800.79x = 557,535,911.66
  5. Step 5: Solve for x
    x = 557,535,911.66/30,800.79
  6. Step 6: Final answer
    x = 18,101.35

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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.