Home / 57,498.21-79,383.99-39,379.32

Finding the Fourth Proportional to 57,498.21, 79,383.99 and 39,379.32

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Solution

The fourth proportional to 57,498.21, 79,383.99 and 39,379.32 is: 54,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,498.21 : 79,383.99 = 39,379.32 : x
  2. Step 2: Convert to fraction form
    57,498.21/79,383.99 = 39,379.32/x
  3. Step 3: Cross multiply
    57,498.21x = 79,383.99 × 39,379.32
  4. Step 4: Simplify right side
    57,498.21x = 3,126,087,545.09
  5. Step 5: Solve for x
    x = 3,126,087,545.09/57,498.21
  6. Step 6: Final answer
    x = 54,368.43

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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.