Home / 39,040.92-58,567.38-12,739.56

Finding the Fourth Proportional to 39,040.92, 58,567.38 and 12,739.56

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Solution

The fourth proportional to 39,040.92, 58,567.38 and 12,739.56 is: 19,111.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,040.92 : 58,567.38 = 12,739.56 : x
  2. Step 2: Convert to fraction form
    39,040.92/58,567.38 = 12,739.56/x
  3. Step 3: Cross multiply
    39,040.92x = 58,567.38 × 12,739.56
  4. Step 4: Simplify right side
    39,040.92x = 746,122,651.55
  5. Step 5: Solve for x
    x = 746,122,651.55/39,040.92
  6. Step 6: Final answer
    x = 19,111.30

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1.5x scale

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.