Home / 30,181.72-41,655.76-16,757.28

Finding the Fourth Proportional to 30,181.72, 41,655.76 and 16,757.28

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Solution

The fourth proportional to 30,181.72, 41,655.76 and 16,757.28 is: 23,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,181.72 : 41,655.76 = 16,757.28 : x
  2. Step 2: Convert to fraction form
    30,181.72/41,655.76 = 16,757.28/x
  3. Step 3: Cross multiply
    30,181.72x = 41,655.76 × 16,757.28
  4. Step 4: Simplify right side
    30,181.72x = 698,037,233.93
  5. Step 5: Solve for x
    x = 698,037,233.93/30,181.72
  6. Step 6: Final answer
    x = 23,127.81

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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.