Home / 35,911.72-49,550.63-20,803.48

Finding the Fourth Proportional to 35,911.72, 49,550.63 and 20,803.48

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Solution

The fourth proportional to 35,911.72, 49,550.63 and 20,803.48 is: 28,704.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,911.72 : 49,550.63 = 20,803.48 : x
  2. Step 2: Convert to fraction form
    35,911.72/49,550.63 = 20,803.48/x
  3. Step 3: Cross multiply
    35,911.72x = 49,550.63 × 20,803.48
  4. Step 4: Simplify right side
    35,911.72x = 1,030,825,312.30
  5. Step 5: Solve for x
    x = 1,030,825,312.30/35,911.72
  6. Step 6: Final answer
    x = 28,704.43

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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.