Home / 55,557.50-76,670.97-30,408.62

Finding the Fourth Proportional to 55,557.50, 76,670.97 and 30,408.62

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Solution

The fourth proportional to 55,557.50, 76,670.97 and 30,408.62 is: 41,964.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,557.50 : 76,670.97 = 30,408.62 : x
  2. Step 2: Convert to fraction form
    55,557.50/76,670.97 = 30,408.62/x
  3. Step 3: Cross multiply
    55,557.50x = 76,670.97 × 30,408.62
  4. Step 4: Simplify right side
    55,557.50x = 2,331,458,391.76
  5. Step 5: Solve for x
    x = 2,331,458,391.76/55,557.50
  6. Step 6: Final answer
    x = 41,964.78

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1.5x scale

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.