Home / 35,516.67-49,010.38-20,409.36

Finding the Fourth Proportional to 35,516.67, 49,010.38 and 20,409.36

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Solution

The fourth proportional to 35,516.67, 49,010.38 and 20,409.36 is: 28,163.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,516.67 : 49,010.38 = 20,409.36 : x
  2. Step 2: Convert to fraction form
    35,516.67/49,010.38 = 20,409.36/x
  3. Step 3: Cross multiply
    35,516.67x = 49,010.38 × 20,409.36
  4. Step 4: Simplify right side
    35,516.67x = 1,000,270,489.16
  5. Step 5: Solve for x
    x = 1,000,270,489.16/35,516.67
  6. Step 6: Final answer
    x = 28,163.41

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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.