Home / 54,227.75-74,830.77-30,354.21

Finding the Fourth Proportional to 54,227.75, 74,830.77 and 30,354.21

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Solution

The fourth proportional to 54,227.75, 74,830.77 and 30,354.21 is: 41,886.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,227.75 : 74,830.77 = 30,354.21 : x
  2. Step 2: Convert to fraction form
    54,227.75/74,830.77 = 30,354.21/x
  3. Step 3: Cross multiply
    54,227.75x = 74,830.77 × 30,354.21
  4. Step 4: Simplify right side
    54,227.75x = 2,271,428,907.04
  5. Step 5: Solve for x
    x = 2,271,428,907.04/54,227.75
  6. Step 6: Final answer
    x = 41,886.84

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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.