Home / 57,806.80-79,772.91-40,603.33

Finding the Fourth Proportional to 57,806.80, 79,772.91 and 40,603.33

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Solution

The fourth proportional to 57,806.80, 79,772.91 and 40,603.33 is: 56,032.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,806.80 : 79,772.91 = 40,603.33 : x
  2. Step 2: Convert to fraction form
    57,806.80/79,772.91 = 40,603.33/x
  3. Step 3: Cross multiply
    57,806.80x = 79,772.91 × 40,603.33
  4. Step 4: Simplify right side
    57,806.80x = 3,239,045,789.79
  5. Step 5: Solve for x
    x = 3,239,045,789.79/57,806.80
  6. Step 6: Final answer
    x = 56,032.26

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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.