Home / 30,257.48-41,759.70-18,158.51

Finding the Fourth Proportional to 30,257.48, 41,759.70 and 18,158.51

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Solution

The fourth proportional to 30,257.48, 41,759.70 and 18,158.51 is: 25,061.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,257.48 : 41,759.70 = 18,158.51 : x
  2. Step 2: Convert to fraction form
    30,257.48/41,759.70 = 18,158.51/x
  3. Step 3: Cross multiply
    30,257.48x = 41,759.70 × 18,158.51
  4. Step 4: Simplify right side
    30,257.48x = 758,293,930.05
  5. Step 5: Solve for x
    x = 758,293,930.05/30,257.48
  6. Step 6: Final answer
    x = 25,061.37

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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.