Home / 31,011.20-46,516.78-13,476.92

Finding the Fourth Proportional to 31,011.20, 46,516.78 and 13,476.92

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Solution

The fourth proportional to 31,011.20, 46,516.78 and 13,476.92 is: 20,215.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,011.20 : 46,516.78 = 13,476.92 : x
  2. Step 2: Convert to fraction form
    31,011.20/46,516.78 = 13,476.92/x
  3. Step 3: Cross multiply
    31,011.20x = 46,516.78 × 13,476.92
  4. Step 4: Simplify right side
    31,011.20x = 626,902,922.72
  5. Step 5: Solve for x
    x = 626,902,922.72/31,011.20
  6. Step 6: Final answer
    x = 20,215.37

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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.