Home / 39,596.40-54,643.02-21,692.52

Finding the Fourth Proportional to 39,596.40, 54,643.02 and 21,692.52

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Solution

The fourth proportional to 39,596.40, 54,643.02 and 21,692.52 is: 29,935.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,596.40 : 54,643.02 = 21,692.52 : x
  2. Step 2: Convert to fraction form
    39,596.40/54,643.02 = 21,692.52/x
  3. Step 3: Cross multiply
    39,596.40x = 54,643.02 × 21,692.52
  4. Step 4: Simplify right side
    39,596.40x = 1,185,344,804.21
  5. Step 5: Solve for x
    x = 1,185,344,804.21/39,596.40
  6. Step 6: Final answer
    x = 29,935.67

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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.