Home / 40,851.24-61,190.73-18,683.28

Finding the Fourth Proportional to 40,851.24, 61,190.73 and 18,683.28

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Solution

The fourth proportional to 40,851.24, 61,190.73 and 18,683.28 is: 27,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,851.24 : 61,190.73 = 18,683.28 : x
  2. Step 2: Convert to fraction form
    40,851.24/61,190.73 = 18,683.28/x
  3. Step 3: Cross multiply
    40,851.24x = 61,190.73 × 18,683.28
  4. Step 4: Simplify right side
    40,851.24x = 1,143,243,541.99
  5. Step 5: Solve for x
    x = 1,143,243,541.99/40,851.24
  6. Step 6: Final answer
    x = 27,985.53

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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.