Home / 31,481.76-47,205.12-14,596.32

Finding the Fourth Proportional to 31,481.76, 47,205.12 and 14,596.32

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Solution

The fourth proportional to 31,481.76, 47,205.12 and 14,596.32 is: 21,886.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,481.76 : 47,205.12 = 14,596.32 : x
  2. Step 2: Convert to fraction form
    31,481.76/47,205.12 = 14,596.32/x
  3. Step 3: Cross multiply
    31,481.76x = 47,205.12 × 14,596.32
  4. Step 4: Simplify right side
    31,481.76x = 689,021,037.16
  5. Step 5: Solve for x
    x = 689,021,037.16/31,481.76
  6. Step 6: Final answer
    x = 21,886.36

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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.