Home / 57,235.03-78,984.57-31,743.77

Finding the Fourth Proportional to 57,235.03, 78,984.57 and 31,743.77

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Solution

The fourth proportional to 57,235.03, 78,984.57 and 31,743.77 is: 43,806.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,235.03 : 78,984.57 = 31,743.77 : x
  2. Step 2: Convert to fraction form
    57,235.03/78,984.57 = 31,743.77/x
  3. Step 3: Cross multiply
    57,235.03x = 78,984.57 × 31,743.77
  4. Step 4: Simplify right side
    57,235.03x = 2,507,268,235.62
  5. Step 5: Solve for x
    x = 2,507,268,235.62/57,235.03
  6. Step 6: Final answer
    x = 43,806.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.