Home / 54,333.56-74,983.91-30,461.78

Finding the Fourth Proportional to 54,333.56, 74,983.91 and 30,461.78

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Solution

The fourth proportional to 54,333.56, 74,983.91 and 30,461.78 is: 42,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,333.56 : 74,983.91 = 30,461.78 : x
  2. Step 2: Convert to fraction form
    54,333.56/74,983.91 = 30,461.78/x
  3. Step 3: Cross multiply
    54,333.56x = 74,983.91 × 30,461.78
  4. Step 4: Simplify right side
    54,333.56x = 2,284,142,842.73
  5. Step 5: Solve for x
    x = 2,284,142,842.73/54,333.56
  6. Step 6: Final answer
    x = 42,039.27

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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.