Home / 54,263.44-81,407.58-20,983.84

Finding the Fourth Proportional to 54,263.44, 81,407.58 and 20,983.84

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Solution

The fourth proportional to 54,263.44, 81,407.58 and 20,983.84 is: 31,480.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,263.44 : 81,407.58 = 20,983.84 : x
  2. Step 2: Convert to fraction form
    54,263.44/81,407.58 = 20,983.84/x
  3. Step 3: Cross multiply
    54,263.44x = 81,407.58 × 20,983.84
  4. Step 4: Simplify right side
    54,263.44x = 1,708,243,633.51
  5. Step 5: Solve for x
    x = 1,708,243,633.51/54,263.44
  6. Step 6: Final answer
    x = 31,480.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.