Home / 31,585.23-43,586.49-19,007.55

Finding the Fourth Proportional to 31,585.23, 43,586.49 and 19,007.55

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Solution

The fourth proportional to 31,585.23, 43,586.49 and 19,007.55 is: 26,229.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,585.23 : 43,586.49 = 19,007.55 : x
  2. Step 2: Convert to fraction form
    31,585.23/43,586.49 = 19,007.55/x
  3. Step 3: Cross multiply
    31,585.23x = 43,586.49 × 19,007.55
  4. Step 4: Simplify right side
    31,585.23x = 828,472,388.00
  5. Step 5: Solve for x
    x = 828,472,388.00/31,585.23
  6. Step 6: Final answer
    x = 26,229.74

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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.