Home / 54,014.20-81,107.70-36,561.40

Finding the Fourth Proportional to 54,014.20, 81,107.70 and 36,561.40

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Solution

The fourth proportional to 54,014.20, 81,107.70 and 36,561.40 is: 54,900.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,014.20 : 81,107.70 = 36,561.40 : x
  2. Step 2: Convert to fraction form
    54,014.20/81,107.70 = 36,561.40/x
  3. Step 3: Cross multiply
    54,014.20x = 81,107.70 × 36,561.40
  4. Step 4: Simplify right side
    54,014.20x = 2,965,411,062.78
  5. Step 5: Solve for x
    x = 2,965,411,062.78/54,014.20
  6. Step 6: Final answer
    x = 54,900.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.