Home / 30,804.13-42,508.19-17,375.34

Finding the Fourth Proportional to 30,804.13, 42,508.19 and 17,375.34

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Solution

The fourth proportional to 30,804.13, 42,508.19 and 17,375.34 is: 23,977.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,804.13 : 42,508.19 = 17,375.34 : x
  2. Step 2: Convert to fraction form
    30,804.13/42,508.19 = 17,375.34/x
  3. Step 3: Cross multiply
    30,804.13x = 42,508.19 × 17,375.34
  4. Step 4: Simplify right side
    30,804.13x = 738,594,456.88
  5. Step 5: Solve for x
    x = 738,594,456.88/30,804.13
  6. Step 6: Final answer
    x = 23,977.12

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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.