Home / 30,467.08-45,705.42-12,937

Finding the Fourth Proportional to 30,467.08, 45,705.42 and 12,937

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Solution

The fourth proportional to 30,467.08, 45,705.42 and 12,937 is: 19,407.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,467.08 : 45,705.42 = 12,937 : x
  2. Step 2: Convert to fraction form
    30,467.08/45,705.42 = 12,937/x
  3. Step 3: Cross multiply
    30,467.08x = 45,705.42 × 12,937
  4. Step 4: Simplify right side
    30,467.08x = 591,291,018.54
  5. Step 5: Solve for x
    x = 591,291,018.54/30,467.08
  6. Step 6: Final answer
    x = 19,407.54

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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.