Home / 54,736.36-81,899.51-38,977.81

Finding the Fourth Proportional to 54,736.36, 81,899.51 and 38,977.81

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Solution

The fourth proportional to 54,736.36, 81,899.51 and 38,977.81 is: 58,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,736.36 : 81,899.51 = 38,977.81 : x
  2. Step 2: Convert to fraction form
    54,736.36/81,899.51 = 38,977.81/x
  3. Step 3: Cross multiply
    54,736.36x = 81,899.51 × 38,977.81
  4. Step 4: Simplify right side
    54,736.36x = 3,192,263,140.24
  5. Step 5: Solve for x
    x = 3,192,263,140.24/54,736.36
  6. Step 6: Final answer
    x = 58,320.71

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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.