Home / 31,903.68-44,028.64-19,329.60

Finding the Fourth Proportional to 31,903.68, 44,028.64 and 19,329.60

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Solution

The fourth proportional to 31,903.68, 44,028.64 and 19,329.60 is: 26,675.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,903.68 : 44,028.64 = 19,329.60 : x
  2. Step 2: Convert to fraction form
    31,903.68/44,028.64 = 19,329.60/x
  3. Step 3: Cross multiply
    31,903.68x = 44,028.64 × 19,329.60
  4. Step 4: Simplify right side
    31,903.68x = 851,055,999.74
  5. Step 5: Solve for x
    x = 851,055,999.74/31,903.68
  6. Step 6: Final answer
    x = 26,675.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.