Home / 31,287.36-46,946.24-13,754.92

Finding the Fourth Proportional to 31,287.36, 46,946.24 and 13,754.92

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Solution

The fourth proportional to 31,287.36, 46,946.24 and 13,754.92 is: 20,639.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,287.36 : 46,946.24 = 13,754.92 : x
  2. Step 2: Convert to fraction form
    31,287.36/46,946.24 = 13,754.92/x
  3. Step 3: Cross multiply
    31,287.36x = 46,946.24 × 13,754.92
  4. Step 4: Simplify right side
    31,287.36x = 645,741,775.50
  5. Step 5: Solve for x
    x = 645,741,775.50/31,287.36
  6. Step 6: Final answer
    x = 20,639.06

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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.