Home / 30,535.26-42,135.84-17,107.08

Finding the Fourth Proportional to 30,535.26, 42,135.84 and 17,107.08

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Solution

The fourth proportional to 30,535.26, 42,135.84 and 17,107.08 is: 23,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,535.26 : 42,135.84 = 17,107.08 : x
  2. Step 2: Convert to fraction form
    30,535.26/42,135.84 = 17,107.08/x
  3. Step 3: Cross multiply
    30,535.26x = 42,135.84 × 17,107.08
  4. Step 4: Simplify right side
    30,535.26x = 720,821,185.75
  5. Step 5: Solve for x
    x = 720,821,185.75/30,535.26
  6. Step 6: Final answer
    x = 23,606.19

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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.