Home / 40,824.51-61,220.96-15,861.27

Finding the Fourth Proportional to 40,824.51, 61,220.96 and 15,861.27

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Solution

The fourth proportional to 40,824.51, 61,220.96 and 15,861.27 is: 23,785.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,824.51 : 61,220.96 = 15,861.27 : x
  2. Step 2: Convert to fraction form
    40,824.51/61,220.96 = 15,861.27/x
  3. Step 3: Cross multiply
    40,824.51x = 61,220.96 × 15,861.27
  4. Step 4: Simplify right side
    40,824.51x = 971,042,130.82
  5. Step 5: Solve for x
    x = 971,042,130.82/40,824.51
  6. Step 6: Final answer
    x = 23,785.77

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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.