Home / 30,441.26-42,008.82-17,012.54

Finding the Fourth Proportional to 30,441.26, 42,008.82 and 17,012.54

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Solution

The fourth proportional to 30,441.26, 42,008.82 and 17,012.54 is: 23,477.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,441.26 : 42,008.82 = 17,012.54 : x
  2. Step 2: Convert to fraction form
    30,441.26/42,008.82 = 17,012.54/x
  3. Step 3: Cross multiply
    30,441.26x = 42,008.82 × 17,012.54
  4. Step 4: Simplify right side
    30,441.26x = 714,676,730.60
  5. Step 5: Solve for x
    x = 714,676,730.60/30,441.26
  6. Step 6: Final answer
    x = 23,477.24

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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.