Home / 52,441.21-78,675.26-17,390.65

Finding the Fourth Proportional to 52,441.21, 78,675.26 and 17,390.65

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Solution

The fourth proportional to 52,441.21, 78,675.26 and 17,390.65 is: 26,090.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,441.21 : 78,675.26 = 17,390.65 : x
  2. Step 2: Convert to fraction form
    52,441.21/78,675.26 = 17,390.65/x
  3. Step 3: Cross multiply
    52,441.21x = 78,675.26 × 17,390.65
  4. Step 4: Simplify right side
    52,441.21x = 1,368,213,823.37
  5. Step 5: Solve for x
    x = 1,368,213,823.37/52,441.21
  6. Step 6: Final answer
    x = 26,090.43

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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.