Home / 86,462.49-129,692.82-22,420.30

Finding the Fourth Proportional to 86,462.49, 129,692.82 and 22,420.30

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Solution

The fourth proportional to 86,462.49, 129,692.82 and 22,420.30 is: 33,630.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,462.49 : 129,692.82 = 22,420.30 : x
  2. Step 2: Convert to fraction form
    86,462.49/129,692.82 = 22,420.30/x
  3. Step 3: Cross multiply
    86,462.49x = 129,692.82 × 22,420.30
  4. Step 4: Simplify right side
    86,462.49x = 2,907,751,932.25
  5. Step 5: Solve for x
    x = 2,907,751,932.25/86,462.49
  6. Step 6: Final answer
    x = 33,630.21

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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.