Home / 30,128.31-41,576.36-17,552.25

Finding the Fourth Proportional to 30,128.31, 41,576.36 and 17,552.25

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Solution

The fourth proportional to 30,128.31, 41,576.36 and 17,552.25 is: 24,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,128.31 : 41,576.36 = 17,552.25 : x
  2. Step 2: Convert to fraction form
    30,128.31/41,576.36 = 17,552.25/x
  3. Step 3: Cross multiply
    30,128.31x = 41,576.36 × 17,552.25
  4. Step 4: Simplify right side
    30,128.31x = 729,758,577.05
  5. Step 5: Solve for x
    x = 729,758,577.05/30,128.31
  6. Step 6: Final answer
    x = 24,221.69

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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.