Home / 53,212.91-73,433.82-30,553.38

Finding the Fourth Proportional to 53,212.91, 73,433.82 and 30,553.38

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Solution

The fourth proportional to 53,212.91, 73,433.82 and 30,553.38 is: 42,163.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,212.91 : 73,433.82 = 30,553.38 : x
  2. Step 2: Convert to fraction form
    53,212.91/73,433.82 = 30,553.38/x
  3. Step 3: Cross multiply
    53,212.91x = 73,433.82 × 30,553.38
  4. Step 4: Simplify right side
    53,212.91x = 2,243,651,407.31
  5. Step 5: Solve for x
    x = 2,243,651,407.31/53,212.91
  6. Step 6: Final answer
    x = 42,163.67

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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.