Home / 57,832.96-86,750.06-20,386.06

Finding the Fourth Proportional to 57,832.96, 86,750.06 and 20,386.06

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Solution

The fourth proportional to 57,832.96, 86,750.06 and 20,386.06 is: 30,579.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,832.96 : 86,750.06 = 20,386.06 : x
  2. Step 2: Convert to fraction form
    57,832.96/86,750.06 = 20,386.06/x
  3. Step 3: Cross multiply
    57,832.96x = 86,750.06 × 20,386.06
  4. Step 4: Simplify right side
    57,832.96x = 1,768,491,928.16
  5. Step 5: Solve for x
    x = 1,768,491,928.16/57,832.96
  6. Step 6: Final answer
    x = 30,579.31

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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.