Home / 45,485.60-68,199.06-19,183.28

Finding the Fourth Proportional to 45,485.60, 68,199.06 and 19,183.28

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Solution

The fourth proportional to 45,485.60, 68,199.06 and 19,183.28 is: 28,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,485.60 : 68,199.06 = 19,183.28 : x
  2. Step 2: Convert to fraction form
    45,485.60/68,199.06 = 19,183.28/x
  3. Step 3: Cross multiply
    45,485.60x = 68,199.06 × 19,183.28
  4. Step 4: Simplify right side
    45,485.60x = 1,308,281,663.72
  5. Step 5: Solve for x
    x = 1,308,281,663.72/45,485.60
  6. Step 6: Final answer
    x = 28,762.55

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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.