Home / 40,735.44-61,104.66-12,658.32

Finding the Fourth Proportional to 40,735.44, 61,104.66 and 12,658.32

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Solution

The fourth proportional to 40,735.44, 61,104.66 and 12,658.32 is: 18,987.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,735.44 : 61,104.66 = 12,658.32 : x
  2. Step 2: Convert to fraction form
    40,735.44/61,104.66 = 12,658.32/x
  3. Step 3: Cross multiply
    40,735.44x = 61,104.66 × 12,658.32
  4. Step 4: Simplify right side
    40,735.44x = 773,482,339.77
  5. Step 5: Solve for x
    x = 773,482,339.77/40,735.44
  6. Step 6: Final answer
    x = 18,987.95

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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.