Home / 55,559.25-76,671.77-30,408.75

Finding the Fourth Proportional to 55,559.25, 76,671.77 and 30,408.75

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Solution

The fourth proportional to 55,559.25, 76,671.77 and 30,408.75 is: 41,964.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,559.25 : 76,671.77 = 30,408.75 : x
  2. Step 2: Convert to fraction form
    55,559.25/76,671.77 = 30,408.75/x
  3. Step 3: Cross multiply
    55,559.25x = 76,671.77 × 30,408.75
  4. Step 4: Simplify right side
    55,559.25x = 2,331,492,533.94
  5. Step 5: Solve for x
    x = 2,331,492,533.94/55,559.25
  6. Step 6: Final answer
    x = 41,964.08

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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.