Home / 31,846.66-43,907.07-20,495.86

Finding the Fourth Proportional to 31,846.66, 43,907.07 and 20,495.86

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Solution

The fourth proportional to 31,846.66, 43,907.07 and 20,495.86 is: 28,257.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,846.66 : 43,907.07 = 20,495.86 : x
  2. Step 2: Convert to fraction form
    31,846.66/43,907.07 = 20,495.86/x
  3. Step 3: Cross multiply
    31,846.66x = 43,907.07 × 20,495.86
  4. Step 4: Simplify right side
    31,846.66x = 899,913,159.73
  5. Step 5: Solve for x
    x = 899,913,159.73/31,846.66
  6. Step 6: Final answer
    x = 28,257.69

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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.