Home / 35,516.79-49,010.55-20,409.48

Finding the Fourth Proportional to 35,516.79, 49,010.55 and 20,409.48

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Solution

The fourth proportional to 35,516.79, 49,010.55 and 20,409.48 is: 28,163.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,516.79 : 49,010.55 = 20,409.48 : x
  2. Step 2: Convert to fraction form
    35,516.79/49,010.55 = 20,409.48/x
  3. Step 3: Cross multiply
    35,516.79x = 49,010.55 × 20,409.48
  4. Step 4: Simplify right side
    35,516.79x = 1,000,279,763.48
  5. Step 5: Solve for x
    x = 1,000,279,763.48/35,516.79
  6. Step 6: Final answer
    x = 28,163.57

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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.