Home / 45,447.03-68,137.74-19,137.42

Finding the Fourth Proportional to 45,447.03, 68,137.74 and 19,137.42

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Solution

The fourth proportional to 45,447.03, 68,137.74 and 19,137.42 is: 28,692.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,447.03 : 68,137.74 = 19,137.42 : x
  2. Step 2: Convert to fraction form
    45,447.03/68,137.74 = 19,137.42/x
  3. Step 3: Cross multiply
    45,447.03x = 68,137.74 × 19,137.42
  4. Step 4: Simplify right side
    45,447.03x = 1,303,980,548.23
  5. Step 5: Solve for x
    x = 1,303,980,548.23/45,447.03
  6. Step 6: Final answer
    x = 28,692.32

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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.