Home / 45,820.32-68,682.48-19,181.58

Finding the Fourth Proportional to 45,820.32, 68,682.48 and 19,181.58

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Solution

The fourth proportional to 45,820.32, 68,682.48 and 19,181.58 is: 28,752.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,820.32 : 68,682.48 = 19,181.58 : x
  2. Step 2: Convert to fraction form
    45,820.32/68,682.48 = 19,181.58/x
  3. Step 3: Cross multiply
    45,820.32x = 68,682.48 × 19,181.58
  4. Step 4: Simplify right side
    45,820.32x = 1,317,438,484.72
  5. Step 5: Solve for x
    x = 1,317,438,484.72/45,820.32
  6. Step 6: Final answer
    x = 28,752.28

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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.