Home / 20,032.64-30,067.12-10,680.52

Finding the Fourth Proportional to 20,032.64, 30,067.12 and 10,680.52

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Solution

The fourth proportional to 20,032.64, 30,067.12 and 10,680.52 is: 16,030.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,032.64 : 30,067.12 = 10,680.52 : x
  2. Step 2: Convert to fraction form
    20,032.64/30,067.12 = 10,680.52/x
  3. Step 3: Cross multiply
    20,032.64x = 30,067.12 × 10,680.52
  4. Step 4: Simplify right side
    20,032.64x = 321,132,476.50
  5. Step 5: Solve for x
    x = 321,132,476.50/20,032.64
  6. Step 6: Final answer
    x = 16,030.46

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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.