Home / 30,115.58-41,558.38-17,369.30

Finding the Fourth Proportional to 30,115.58, 41,558.38 and 17,369.30

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Solution

The fourth proportional to 30,115.58, 41,558.38 and 17,369.30 is: 23,968.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,115.58 : 41,558.38 = 17,369.30 : x
  2. Step 2: Convert to fraction form
    30,115.58/41,558.38 = 17,369.30/x
  3. Step 3: Cross multiply
    30,115.58x = 41,558.38 × 17,369.30
  4. Step 4: Simplify right side
    30,115.58x = 721,840,030.21
  5. Step 5: Solve for x
    x = 721,840,030.21/30,115.58
  6. Step 6: Final answer
    x = 23,968.99

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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.