Home / 35,812.80-53,719.20-10,851.60

Finding the Fourth Proportional to 35,812.80, 53,719.20 and 10,851.60

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Solution

The fourth proportional to 35,812.80, 53,719.20 and 10,851.60 is: 16,277.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,812.80 : 53,719.20 = 10,851.60 : x
  2. Step 2: Convert to fraction form
    35,812.80/53,719.20 = 10,851.60/x
  3. Step 3: Cross multiply
    35,812.80x = 53,719.20 × 10,851.60
  4. Step 4: Simplify right side
    35,812.80x = 582,939,472.17
  5. Step 5: Solve for x
    x = 582,939,472.17/35,812.80
  6. Step 6: Final answer
    x = 16,277.41

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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.