Home / 77,380.20-116,089.74-30,627

Finding the Fourth Proportional to 77,380.20, 116,089.74 and 30,627

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Solution

The fourth proportional to 77,380.20, 116,089.74 and 30,627 is: 45,948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,380.20 : 116,089.74 = 30,627 : x
  2. Step 2: Convert to fraction form
    77,380.20/116,089.74 = 30,627/x
  3. Step 3: Cross multiply
    77,380.20x = 116,089.74 × 30,627
  4. Step 4: Simplify right side
    77,380.20x = 3,555,480,466.98
  5. Step 5: Solve for x
    x = 3,555,480,466.98/77,380.20
  6. Step 6: Final answer
    x = 45,948.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.