Home / 43,710.41-65,554.27-12,538.37

Finding the Fourth Proportional to 43,710.41, 65,554.27 and 12,538.37

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Solution

The fourth proportional to 43,710.41, 65,554.27 and 12,538.37 is: 18,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,710.41 : 65,554.27 = 12,538.37 : x
  2. Step 2: Convert to fraction form
    43,710.41/65,554.27 = 12,538.37/x
  3. Step 3: Cross multiply
    43,710.41x = 65,554.27 × 12,538.37
  4. Step 4: Simplify right side
    43,710.41x = 821,943,692.34
  5. Step 5: Solve for x
    x = 821,943,692.34/43,710.41
  6. Step 6: Final answer
    x = 18,804.30

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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.