Home / 43,933.68-65,907.12-12,764.88

Finding the Fourth Proportional to 43,933.68, 65,907.12 and 12,764.88

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Solution

The fourth proportional to 43,933.68, 65,907.12 and 12,764.88 is: 19,149.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,933.68 : 65,907.12 = 12,764.88 : x
  2. Step 2: Convert to fraction form
    43,933.68/65,907.12 = 12,764.88/x
  3. Step 3: Cross multiply
    43,933.68x = 65,907.12 × 12,764.88
  4. Step 4: Simplify right side
    43,933.68x = 841,296,477.95
  5. Step 5: Solve for x
    x = 841,296,477.95/43,933.68
  6. Step 6: Final answer
    x = 19,149.24

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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.