Home / 56,408.05-77,822.49-33,747.68

Finding the Fourth Proportional to 56,408.05, 77,822.49 and 33,747.68

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Solution

The fourth proportional to 56,408.05, 77,822.49 and 33,747.68 is: 46,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,408.05 : 77,822.49 = 33,747.68 : x
  2. Step 2: Convert to fraction form
    56,408.05/77,822.49 = 33,747.68/x
  3. Step 3: Cross multiply
    56,408.05x = 77,822.49 × 33,747.68
  4. Step 4: Simplify right side
    56,408.05x = 2,626,328,489.32
  5. Step 5: Solve for x
    x = 2,626,328,489.32/56,408.05
  6. Step 6: Final answer
    x = 46,559.46

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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.