Home / 30,735.41-42,418.91-17,309.29

Finding the Fourth Proportional to 30,735.41, 42,418.91 and 17,309.29

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Solution

The fourth proportional to 30,735.41, 42,418.91 and 17,309.29 is: 23,889.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,735.41 : 42,418.91 = 17,309.29 : x
  2. Step 2: Convert to fraction form
    30,735.41/42,418.91 = 17,309.29/x
  3. Step 3: Cross multiply
    30,735.41x = 42,418.91 × 17,309.29
  4. Step 4: Simplify right side
    30,735.41x = 734,241,128.13
  5. Step 5: Solve for x
    x = 734,241,128.13/30,735.41
  6. Step 6: Final answer
    x = 23,889.09

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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.