Home / 57,327.05-85,938.72-20,382.41

Finding the Fourth Proportional to 57,327.05, 85,938.72 and 20,382.41

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Solution

The fourth proportional to 57,327.05, 85,938.72 and 20,382.41 is: 30,555.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,327.05 : 85,938.72 = 20,382.41 : x
  2. Step 2: Convert to fraction form
    57,327.05/85,938.72 = 20,382.41/x
  3. Step 3: Cross multiply
    57,327.05x = 85,938.72 × 20,382.41
  4. Step 4: Simplify right side
    57,327.05x = 1,751,637,796.22
  5. Step 5: Solve for x
    x = 1,751,637,796.22/57,327.05
  6. Step 6: Final answer
    x = 30,555.17

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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.