Home / 30,968.78-46,219.14-27,979.43

Finding the Fourth Proportional to 30,968.78, 46,219.14 and 27,979.43

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Solution

The fourth proportional to 30,968.78, 46,219.14 and 27,979.43 is: 41,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,968.78 : 46,219.14 = 27,979.43 : x
  2. Step 2: Convert to fraction form
    30,968.78/46,219.14 = 27,979.43/x
  3. Step 3: Cross multiply
    30,968.78x = 46,219.14 × 27,979.43
  4. Step 4: Simplify right side
    30,968.78x = 1,293,184,961.19
  5. Step 5: Solve for x
    x = 1,293,184,961.19/30,968.78
  6. Step 6: Final answer
    x = 41,757.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.