Home / 31,115.06-46,678.61-13,343.24

Finding the Fourth Proportional to 31,115.06, 46,678.61 and 13,343.24

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Solution

The fourth proportional to 31,115.06, 46,678.61 and 13,343.24 is: 20,017.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,115.06 : 46,678.61 = 13,343.24 : x
  2. Step 2: Convert to fraction form
    31,115.06/46,678.61 = 13,343.24/x
  3. Step 3: Cross multiply
    31,115.06x = 46,678.61 × 13,343.24
  4. Step 4: Simplify right side
    31,115.06x = 622,843,946.08
  5. Step 5: Solve for x
    x = 622,843,946.08/31,115.06
  6. Step 6: Final answer
    x = 20,017.44

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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.