Home / 55,180.50-76,149.36-30,030

Finding the Fourth Proportional to 55,180.50, 76,149.36 and 30,030

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Solution

The fourth proportional to 55,180.50, 76,149.36 and 30,030 is: 41,441.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,180.50 : 76,149.36 = 30,030 : x
  2. Step 2: Convert to fraction form
    55,180.50/76,149.36 = 30,030/x
  3. Step 3: Cross multiply
    55,180.50x = 76,149.36 × 30,030
  4. Step 4: Simplify right side
    55,180.50x = 2,286,765,280.80
  5. Step 5: Solve for x
    x = 2,286,765,280.80/55,180.50
  6. Step 6: Final answer
    x = 41,441.55

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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.