Home / 39,163.96-58,739.46-12,868.93

Finding the Fourth Proportional to 39,163.96, 58,739.46 and 12,868.93

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Solution

The fourth proportional to 39,163.96, 58,739.46 and 12,868.93 is: 19,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,163.96 : 58,739.46 = 12,868.93 : x
  2. Step 2: Convert to fraction form
    39,163.96/58,739.46 = 12,868.93/x
  3. Step 3: Cross multiply
    39,163.96x = 58,739.46 × 12,868.93
  4. Step 4: Simplify right side
    39,163.96x = 755,913,998.98
  5. Step 5: Solve for x
    x = 755,913,998.98/39,163.96
  6. Step 6: Final answer
    x = 19,301.27

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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.