Home / 45,410.44-68,118.84-12,130.36

Finding the Fourth Proportional to 45,410.44, 68,118.84 and 12,130.36

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Solution

The fourth proportional to 45,410.44, 68,118.84 and 12,130.36 is: 18,196.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,410.44 : 68,118.84 = 12,130.36 : x
  2. Step 2: Convert to fraction form
    45,410.44/68,118.84 = 12,130.36/x
  3. Step 3: Cross multiply
    45,410.44x = 68,118.84 × 12,130.36
  4. Step 4: Simplify right side
    45,410.44x = 826,306,051.98
  5. Step 5: Solve for x
    x = 826,306,051.98/45,410.44
  6. Step 6: Final answer
    x = 18,196.39

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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.