Home / 52,163.91-71,975.12-30,950.07

Finding the Fourth Proportional to 52,163.91, 71,975.12 and 30,950.07

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Solution

The fourth proportional to 52,163.91, 71,975.12 and 30,950.07 is: 42,704.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,163.91 : 71,975.12 = 30,950.07 : x
  2. Step 2: Convert to fraction form
    52,163.91/71,975.12 = 30,950.07/x
  3. Step 3: Cross multiply
    52,163.91x = 71,975.12 × 30,950.07
  4. Step 4: Simplify right side
    52,163.91x = 2,227,634,847.51
  5. Step 5: Solve for x
    x = 2,227,634,847.51/52,163.91
  6. Step 6: Final answer
    x = 42,704.52

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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.