Home / 30,629.16-45,933.60-11,907.84

Finding the Fourth Proportional to 30,629.16, 45,933.60 and 11,907.84

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Solution

The fourth proportional to 30,629.16, 45,933.60 and 11,907.84 is: 17,857.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,629.16 : 45,933.60 = 11,907.84 : x
  2. Step 2: Convert to fraction form
    30,629.16/45,933.60 = 11,907.84/x
  3. Step 3: Cross multiply
    30,629.16x = 45,933.60 × 11,907.84
  4. Step 4: Simplify right side
    30,629.16x = 546,969,959.42
  5. Step 5: Solve for x
    x = 546,969,959.42/30,629.16
  6. Step 6: Final answer
    x = 17,857.82

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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.