Home / 39,597.74-54,645.16-21,692.84

Finding the Fourth Proportional to 39,597.74, 54,645.16 and 21,692.84

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Solution

The fourth proportional to 39,597.74, 54,645.16 and 21,692.84 is: 29,936.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,597.74 : 54,645.16 = 21,692.84 : x
  2. Step 2: Convert to fraction form
    39,597.74/54,645.16 = 21,692.84/x
  3. Step 3: Cross multiply
    39,597.74x = 54,645.16 × 21,692.84
  4. Step 4: Simplify right side
    39,597.74x = 1,185,408,712.65
  5. Step 5: Solve for x
    x = 1,185,408,712.65/39,597.74
  6. Step 6: Final answer
    x = 29,936.27

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1.5x scale

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.