Home / 53,836.94-80,762.79-18,288.71

Finding the Fourth Proportional to 53,836.94, 80,762.79 and 18,288.71

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Solution

The fourth proportional to 53,836.94, 80,762.79 and 18,288.71 is: 27,435.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,836.94 : 80,762.79 = 18,288.71 : x
  2. Step 2: Convert to fraction form
    53,836.94/80,762.79 = 18,288.71/x
  3. Step 3: Cross multiply
    53,836.94x = 80,762.79 × 18,288.71
  4. Step 4: Simplify right side
    53,836.94x = 1,477,047,447.01
  5. Step 5: Solve for x
    x = 1,477,047,447.01/53,836.94
  6. Step 6: Final answer
    x = 27,435.58

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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.