Home / 31,273.20-46,908.56-12,561.68

Finding the Fourth Proportional to 31,273.20, 46,908.56 and 12,561.68

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Solution

The fourth proportional to 31,273.20, 46,908.56 and 12,561.68 is: 18,842.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,273.20 : 46,908.56 = 12,561.68 : x
  2. Step 2: Convert to fraction form
    31,273.20/46,908.56 = 12,561.68/x
  3. Step 3: Cross multiply
    31,273.20x = 46,908.56 × 12,561.68
  4. Step 4: Simplify right side
    31,273.20x = 589,250,319.98
  5. Step 5: Solve for x
    x = 589,250,319.98/31,273.20
  6. Step 6: Final answer
    x = 18,842.02

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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.