Home / 45,477.25-68,225.02-19,181.88

Finding the Fourth Proportional to 45,477.25, 68,225.02 and 19,181.88

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Solution

The fourth proportional to 45,477.25, 68,225.02 and 19,181.88 is: 28,776.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,477.25 : 68,225.02 = 19,181.88 : x
  2. Step 2: Convert to fraction form
    45,477.25/68,225.02 = 19,181.88/x
  3. Step 3: Cross multiply
    45,477.25x = 68,225.02 × 19,181.88
  4. Step 4: Simplify right side
    45,477.25x = 1,308,684,098.68
  5. Step 5: Solve for x
    x = 1,308,684,098.68/45,477.25
  6. Step 6: Final answer
    x = 28,776.68

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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.