Home / 33,110.63-45,692.67-18,206.63

Finding the Fourth Proportional to 33,110.63, 45,692.67 and 18,206.63

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Solution

The fourth proportional to 33,110.63, 45,692.67 and 18,206.63 is: 25,125.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,110.63 : 45,692.67 = 18,206.63 : x
  2. Step 2: Convert to fraction form
    33,110.63/45,692.67 = 18,206.63/x
  3. Step 3: Cross multiply
    33,110.63x = 45,692.67 × 18,206.63
  4. Step 4: Simplify right side
    33,110.63x = 831,909,307.94
  5. Step 5: Solve for x
    x = 831,909,307.94/33,110.63
  6. Step 6: Final answer
    x = 25,125.15

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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.