Home / 30,181.82-45,272.75-11,461.86

Finding the Fourth Proportional to 30,181.82, 45,272.75 and 11,461.86

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Solution

The fourth proportional to 30,181.82, 45,272.75 and 11,461.86 is: 17,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,181.82 : 45,272.75 = 11,461.86 : x
  2. Step 2: Convert to fraction form
    30,181.82/45,272.75 = 11,461.86/x
  3. Step 3: Cross multiply
    30,181.82x = 45,272.75 × 11,461.86
  4. Step 4: Simplify right side
    30,181.82x = 518,909,865.01
  5. Step 5: Solve for x
    x = 518,909,865.01/30,181.82
  6. Step 6: Final answer
    x = 17,192.80

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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.