Home / 54,043.34-74,579.67-30,170.07

Finding the Fourth Proportional to 54,043.34, 74,579.67 and 30,170.07

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Solution

The fourth proportional to 54,043.34, 74,579.67 and 30,170.07 is: 41,634.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,043.34 : 74,579.67 = 30,170.07 : x
  2. Step 2: Convert to fraction form
    54,043.34/74,579.67 = 30,170.07/x
  3. Step 3: Cross multiply
    54,043.34x = 74,579.67 × 30,170.07
  4. Step 4: Simplify right side
    54,043.34x = 2,250,073,864.48
  5. Step 5: Solve for x
    x = 2,250,073,864.48/54,043.34
  6. Step 6: Final answer
    x = 41,634.62

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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.