Home / 35,768.20-49,367.74-20,663.32

Finding the Fourth Proportional to 35,768.20, 49,367.74 and 20,663.32

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Solution

The fourth proportional to 35,768.20, 49,367.74 and 20,663.32 is: 28,519.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,768.20 : 49,367.74 = 20,663.32 : x
  2. Step 2: Convert to fraction form
    35,768.20/49,367.74 = 20,663.32/x
  3. Step 3: Cross multiply
    35,768.20x = 49,367.74 × 20,663.32
  4. Step 4: Simplify right side
    35,768.20x = 1,020,101,409.30
  5. Step 5: Solve for x
    x = 1,020,101,409.30/35,768.20
  6. Step 6: Final answer
    x = 28,519.79

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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.