Home / 30,800.36-42,505.94-17,371.33

Finding the Fourth Proportional to 30,800.36, 42,505.94 and 17,371.33

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Solution

The fourth proportional to 30,800.36, 42,505.94 and 17,371.33 is: 23,973.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,800.36 : 42,505.94 = 17,371.33 : x
  2. Step 2: Convert to fraction form
    30,800.36/42,505.94 = 17,371.33/x
  3. Step 3: Cross multiply
    30,800.36x = 42,505.94 × 17,371.33
  4. Step 4: Simplify right side
    30,800.36x = 738,384,647.86
  5. Step 5: Solve for x
    x = 738,384,647.86/30,800.36
  6. Step 6: Final answer
    x = 23,973.25

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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.