Home / 54,692.64-82,031.49-21,435.95

Finding the Fourth Proportional to 54,692.64, 82,031.49 and 21,435.95

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Solution

The fourth proportional to 54,692.64, 82,031.49 and 21,435.95 is: 32,150.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,692.64 : 82,031.49 = 21,435.95 : x
  2. Step 2: Convert to fraction form
    54,692.64/82,031.49 = 21,435.95/x
  3. Step 3: Cross multiply
    54,692.64x = 82,031.49 × 21,435.95
  4. Step 4: Simplify right side
    54,692.64x = 1,758,422,507.91
  5. Step 5: Solve for x
    x = 1,758,422,507.91/54,692.64
  6. Step 6: Final answer
    x = 32,150.99

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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.