Home / 30,467.88-42,047.82-17,040.39

Finding the Fourth Proportional to 30,467.88, 42,047.82 and 17,040.39

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Solution

The fourth proportional to 30,467.88, 42,047.82 and 17,040.39 is: 23,516.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,467.88 : 42,047.82 = 17,040.39 : x
  2. Step 2: Convert to fraction form
    30,467.88/42,047.82 = 17,040.39/x
  3. Step 3: Cross multiply
    30,467.88x = 42,047.82 × 17,040.39
  4. Step 4: Simplify right side
    30,467.88x = 716,511,093.77
  5. Step 5: Solve for x
    x = 716,511,093.77/30,467.88
  6. Step 6: Final answer
    x = 23,516.93

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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.