Home / 54,290.40-81,431.55-22,692.30

Finding the Fourth Proportional to 54,290.40, 81,431.55 and 22,692.30

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Solution

The fourth proportional to 54,290.40, 81,431.55 and 22,692.30 is: 34,036.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,290.40 : 81,431.55 = 22,692.30 : x
  2. Step 2: Convert to fraction form
    54,290.40/81,431.55 = 22,692.30/x
  3. Step 3: Cross multiply
    54,290.40x = 81,431.55 × 22,692.30
  4. Step 4: Simplify right side
    54,290.40x = 1,847,869,162.07
  5. Step 5: Solve for x
    x = 1,847,869,162.07/54,290.40
  6. Step 6: Final answer
    x = 34,036.76

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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.