Home / 40,768.18-61,119.36-15,795.47

Finding the Fourth Proportional to 40,768.18, 61,119.36 and 15,795.47

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Solution

The fourth proportional to 40,768.18, 61,119.36 and 15,795.47 is: 23,680.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,768.18 : 61,119.36 = 15,795.47 : x
  2. Step 2: Convert to fraction form
    40,768.18/61,119.36 = 15,795.47/x
  3. Step 3: Cross multiply
    40,768.18x = 61,119.36 × 15,795.47
  4. Step 4: Simplify right side
    40,768.18x = 965,409,170.10
  5. Step 5: Solve for x
    x = 965,409,170.10/40,768.18
  6. Step 6: Final answer
    x = 23,680.46

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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.