Home / 30,427.38-41,982.62-18,490.01

Finding the Fourth Proportional to 30,427.38, 41,982.62 and 18,490.01

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Solution

The fourth proportional to 30,427.38, 41,982.62 and 18,490.01 is: 25,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,427.38 : 41,982.62 = 18,490.01 : x
  2. Step 2: Convert to fraction form
    30,427.38/41,982.62 = 18,490.01/x
  3. Step 3: Cross multiply
    30,427.38x = 41,982.62 × 18,490.01
  4. Step 4: Simplify right side
    30,427.38x = 776,258,761.26
  5. Step 5: Solve for x
    x = 776,258,761.26/30,427.38
  6. Step 6: Final answer
    x = 25,511.85

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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.