Home / 30,261.78-41,755.08-17,684.10

Finding the Fourth Proportional to 30,261.78, 41,755.08 and 17,684.10

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Solution

The fourth proportional to 30,261.78, 41,755.08 and 17,684.10 is: 24,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,261.78 : 41,755.08 = 17,684.10 : x
  2. Step 2: Convert to fraction form
    30,261.78/41,755.08 = 17,684.10/x
  3. Step 3: Cross multiply
    30,261.78x = 41,755.08 × 17,684.10
  4. Step 4: Simplify right side
    30,261.78x = 738,401,010.23
  5. Step 5: Solve for x
    x = 738,401,010.23/30,261.78
  6. Step 6: Final answer
    x = 24,400.45

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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.