Home / 30,873.26-42,589.44-19,523.63

Finding the Fourth Proportional to 30,873.26, 42,589.44 and 19,523.63

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Solution

The fourth proportional to 30,873.26, 42,589.44 and 19,523.63 is: 26,932.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,873.26 : 42,589.44 = 19,523.63 : x
  2. Step 2: Convert to fraction form
    30,873.26/42,589.44 = 19,523.63/x
  3. Step 3: Cross multiply
    30,873.26x = 42,589.44 × 19,523.63
  4. Step 4: Simplify right side
    30,873.26x = 831,500,468.47
  5. Step 5: Solve for x
    x = 831,500,468.47/30,873.26
  6. Step 6: Final answer
    x = 26,932.71

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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.