Home / 43,286.12-59,766.18-28,425.32

Finding the Fourth Proportional to 43,286.12, 59,766.18 and 28,425.32

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Solution

The fourth proportional to 43,286.12, 59,766.18 and 28,425.32 is: 39,247.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,286.12 : 59,766.18 = 28,425.32 : x
  2. Step 2: Convert to fraction form
    43,286.12/59,766.18 = 28,425.32/x
  3. Step 3: Cross multiply
    43,286.12x = 59,766.18 × 28,425.32
  4. Step 4: Simplify right side
    43,286.12x = 1,698,872,791.68
  5. Step 5: Solve for x
    x = 1,698,872,791.68/43,286.12
  6. Step 6: Final answer
    x = 39,247.52

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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.