Home / 20,067.63-30,038.31-13,790.94

Finding the Fourth Proportional to 20,067.63, 30,038.31 and 13,790.94

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Solution

The fourth proportional to 20,067.63, 30,038.31 and 13,790.94 is: 20,643.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.63 : 30,038.31 = 13,790.94 : x
  2. Step 2: Convert to fraction form
    20,067.63/30,038.31 = 13,790.94/x
  3. Step 3: Cross multiply
    20,067.63x = 30,038.31 × 13,790.94
  4. Step 4: Simplify right side
    20,067.63x = 414,256,530.91
  5. Step 5: Solve for x
    x = 414,256,530.91/20,067.63
  6. Step 6: Final answer
    x = 20,643.02

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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.