Home / 30,467.60-42,067.08-23,760.72

Finding the Fourth Proportional to 30,467.60, 42,067.08 and 23,760.72

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Solution

The fourth proportional to 30,467.60, 42,067.08 and 23,760.72 is: 32,806.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,467.60 : 42,067.08 = 23,760.72 : x
  2. Step 2: Convert to fraction form
    30,467.60/42,067.08 = 23,760.72/x
  3. Step 3: Cross multiply
    30,467.60x = 42,067.08 × 23,760.72
  4. Step 4: Simplify right side
    30,467.60x = 999,544,109.10
  5. Step 5: Solve for x
    x = 999,544,109.10/30,467.60
  6. Step 6: Final answer
    x = 32,806.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.