Home / 30,476.58-45,692.91-13,828.26

Finding the Fourth Proportional to 30,476.58, 45,692.91 and 13,828.26

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Solution

The fourth proportional to 30,476.58, 45,692.91 and 13,828.26 is: 20,732.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,476.58 : 45,692.91 = 13,828.26 : x
  2. Step 2: Convert to fraction form
    30,476.58/45,692.91 = 13,828.26/x
  3. Step 3: Cross multiply
    30,476.58x = 45,692.91 × 13,828.26
  4. Step 4: Simplify right side
    30,476.58x = 631,853,439.64
  5. Step 5: Solve for x
    x = 631,853,439.64/30,476.58
  6. Step 6: Final answer
    x = 20,732.43

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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.