Home / 43,157.48-64,723.46-19,451.34

Finding the Fourth Proportional to 43,157.48, 64,723.46 and 19,451.34

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Solution

The fourth proportional to 43,157.48, 64,723.46 and 19,451.34 is: 29,171.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,157.48 : 64,723.46 = 19,451.34 : x
  2. Step 2: Convert to fraction form
    43,157.48/64,723.46 = 19,451.34/x
  3. Step 3: Cross multiply
    43,157.48x = 64,723.46 × 19,451.34
  4. Step 4: Simplify right side
    43,157.48x = 1,258,957,929.18
  5. Step 5: Solve for x
    x = 1,258,957,929.18/43,157.48
  6. Step 6: Final answer
    x = 29,171.26

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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.