Home / 42,012.44-57,977.06-23,149.56

Finding the Fourth Proportional to 42,012.44, 57,977.06 and 23,149.56

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Solution

The fourth proportional to 42,012.44, 57,977.06 and 23,149.56 is: 31,946.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012.44 : 57,977.06 = 23,149.56 : x
  2. Step 2: Convert to fraction form
    42,012.44/57,977.06 = 23,149.56/x
  3. Step 3: Cross multiply
    42,012.44x = 57,977.06 × 23,149.56
  4. Step 4: Simplify right side
    42,012.44x = 1,342,143,313.35
  5. Step 5: Solve for x
    x = 1,342,143,313.35/42,012.44
  6. Step 6: Final answer
    x = 31,946.33

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1.5x scale

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.