Home / 64,450.20-96,675.30-20,080.53

Finding the Fourth Proportional to 64,450.20, 96,675.30 and 20,080.53

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Solution

The fourth proportional to 64,450.20, 96,675.30 and 20,080.53 is: 30,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,450.20 : 96,675.30 = 20,080.53 : x
  2. Step 2: Convert to fraction form
    64,450.20/96,675.30 = 20,080.53/x
  3. Step 3: Cross multiply
    64,450.20x = 96,675.30 × 20,080.53
  4. Step 4: Simplify right side
    64,450.20x = 1,941,291,261.91
  5. Step 5: Solve for x
    x = 1,941,291,261.91/64,450.20
  6. Step 6: Final answer
    x = 30,120.80

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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.