Home / 76,430.20-114,645.30-23,839.60

Finding the Fourth Proportional to 76,430.20, 114,645.30 and 23,839.60

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Solution

The fourth proportional to 76,430.20, 114,645.30 and 23,839.60 is: 35,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,430.20 : 114,645.30 = 23,839.60 : x
  2. Step 2: Convert to fraction form
    76,430.20/114,645.30 = 23,839.60/x
  3. Step 3: Cross multiply
    76,430.20x = 114,645.30 × 23,839.60
  4. Step 4: Simplify right side
    76,430.20x = 2,733,098,093.88
  5. Step 5: Solve for x
    x = 2,733,098,093.88/76,430.20
  6. Step 6: Final answer
    x = 35,759.40

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1.5x scale

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.