Home / 31,584.04-43,601.76-19,651.24

Finding the Fourth Proportional to 31,584.04, 43,601.76 and 19,651.24

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Solution

The fourth proportional to 31,584.04, 43,601.76 and 19,651.24 is: 27,128.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,584.04 : 43,601.76 = 19,651.24 : x
  2. Step 2: Convert to fraction form
    31,584.04/43,601.76 = 19,651.24/x
  3. Step 3: Cross multiply
    31,584.04x = 43,601.76 × 19,651.24
  4. Step 4: Simplify right side
    31,584.04x = 856,828,650.18
  5. Step 5: Solve for x
    x = 856,828,650.18/31,584.04
  6. Step 6: Final answer
    x = 27,128.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.