Home / 30,537.37-42,144.29-17,108.54

Finding the Fourth Proportional to 30,537.37, 42,144.29 and 17,108.54

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Solution

The fourth proportional to 30,537.37, 42,144.29 and 17,108.54 is: 23,611.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,537.37 : 42,144.29 = 17,108.54 : x
  2. Step 2: Convert to fraction form
    30,537.37/42,144.29 = 17,108.54/x
  3. Step 3: Cross multiply
    30,537.37x = 42,144.29 × 17,108.54
  4. Step 4: Simplify right side
    30,537.37x = 721,027,271.24
  5. Step 5: Solve for x
    x = 721,027,271.24/30,537.37
  6. Step 6: Final answer
    x = 23,611.31

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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.