Home / 43,222.37-64,818.50-15,141.78

Finding the Fourth Proportional to 43,222.37, 64,818.50 and 15,141.78

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Solution

The fourth proportional to 43,222.37, 64,818.50 and 15,141.78 is: 22,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,222.37 : 64,818.50 = 15,141.78 : x
  2. Step 2: Convert to fraction form
    43,222.37/64,818.50 = 15,141.78/x
  3. Step 3: Cross multiply
    43,222.37x = 64,818.50 × 15,141.78
  4. Step 4: Simplify right side
    43,222.37x = 981,467,391.22
  5. Step 5: Solve for x
    x = 981,467,391.22/43,222.37
  6. Step 6: Final answer
    x = 22,707.40

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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.