Home / 54,317.70-81,484.65-19,254.60

Finding the Fourth Proportional to 54,317.70, 81,484.65 and 19,254.60

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Solution

The fourth proportional to 54,317.70, 81,484.65 and 19,254.60 is: 28,884.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,317.70 : 81,484.65 = 19,254.60 : x
  2. Step 2: Convert to fraction form
    54,317.70/81,484.65 = 19,254.60/x
  3. Step 3: Cross multiply
    54,317.70x = 81,484.65 × 19,254.60
  4. Step 4: Simplify right side
    54,317.70x = 1,568,954,341.89
  5. Step 5: Solve for x
    x = 1,568,954,341.89/54,317.70
  6. Step 6: Final answer
    x = 28,884.77

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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.