Home / 30,798.85-46,161.37-12,067.20

Finding the Fourth Proportional to 30,798.85, 46,161.37 and 12,067.20

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Solution

The fourth proportional to 30,798.85, 46,161.37 and 12,067.20 is: 18,086.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,798.85 : 46,161.37 = 12,067.20 : x
  2. Step 2: Convert to fraction form
    30,798.85/46,161.37 = 12,067.20/x
  3. Step 3: Cross multiply
    30,798.85x = 46,161.37 × 12,067.20
  4. Step 4: Simplify right side
    30,798.85x = 557,038,484.06
  5. Step 5: Solve for x
    x = 557,038,484.06/30,798.85
  6. Step 6: Final answer
    x = 18,086.34

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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.