Home / 65,979.44-91,051.74-35,764.76

Finding the Fourth Proportional to 65,979.44, 91,051.74 and 35,764.76

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Solution

The fourth proportional to 65,979.44, 91,051.74 and 35,764.76 is: 49,355.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,979.44 : 91,051.74 = 35,764.76 : x
  2. Step 2: Convert to fraction form
    65,979.44/91,051.74 = 35,764.76/x
  3. Step 3: Cross multiply
    65,979.44x = 91,051.74 × 35,764.76
  4. Step 4: Simplify right side
    65,979.44x = 3,256,443,628.68
  5. Step 5: Solve for x
    x = 3,256,443,628.68/65,979.44
  6. Step 6: Final answer
    x = 49,355.43

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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.