Home / 30,504.58-42,094-17,072.75

Finding the Fourth Proportional to 30,504.58, 42,094 and 17,072.75

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Solution

The fourth proportional to 30,504.58, 42,094 and 17,072.75 is: 23,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,504.58 : 42,094 = 17,072.75 : x
  2. Step 2: Convert to fraction form
    30,504.58/42,094 = 17,072.75/x
  3. Step 3: Cross multiply
    30,504.58x = 42,094 × 17,072.75
  4. Step 4: Simplify right side
    30,504.58x = 718,660,338.50
  5. Step 5: Solve for x
    x = 718,660,338.50/30,504.58
  6. Step 6: Final answer
    x = 23,559.10

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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.