Home / 54,222.60-74,828.78-30,348.66

Finding the Fourth Proportional to 54,222.60, 74,828.78 and 30,348.66

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Solution

The fourth proportional to 54,222.60, 74,828.78 and 30,348.66 is: 41,882.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,222.60 : 74,828.78 = 30,348.66 : x
  2. Step 2: Convert to fraction form
    54,222.60/74,828.78 = 30,348.66/x
  3. Step 3: Cross multiply
    54,222.60x = 74,828.78 × 30,348.66
  4. Step 4: Simplify right side
    54,222.60x = 2,270,953,202.43
  5. Step 5: Solve for x
    x = 2,270,953,202.43/54,222.60
  6. Step 6: Final answer
    x = 41,882.04

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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.