Home / 30,467.58-45,705.70-9,409.37

Finding the Fourth Proportional to 30,467.58, 45,705.70 and 9,409.37

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Solution

The fourth proportional to 30,467.58, 45,705.70 and 9,409.37 is: 14,115.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,467.58 : 45,705.70 = 9,409.37 : x
  2. Step 2: Convert to fraction form
    30,467.58/45,705.70 = 9,409.37/x
  3. Step 3: Cross multiply
    30,467.58x = 45,705.70 × 9,409.37
  4. Step 4: Simplify right side
    30,467.58x = 430,061,625.64
  5. Step 5: Solve for x
    x = 430,061,625.64/30,467.58
  6. Step 6: Final answer
    x = 14,115.39

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1.5x scale

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.