Home / 57,285.89-79,036.64-33,083.75

Finding the Fourth Proportional to 57,285.89, 79,036.64 and 33,083.75

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Solution

The fourth proportional to 57,285.89, 79,036.64 and 33,083.75 is: 45,645.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,285.89 : 79,036.64 = 33,083.75 : x
  2. Step 2: Convert to fraction form
    57,285.89/79,036.64 = 33,083.75/x
  3. Step 3: Cross multiply
    57,285.89x = 79,036.64 × 33,083.75
  4. Step 4: Simplify right side
    57,285.89x = 2,614,828,199.65
  5. Step 5: Solve for x
    x = 2,614,828,199.65/57,285.89
  6. Step 6: Final answer
    x = 45,645.24

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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.