Home / 31,794.66-43,871.76-19,044.86

Finding the Fourth Proportional to 31,794.66, 43,871.76 and 19,044.86

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Solution

The fourth proportional to 31,794.66, 43,871.76 and 19,044.86 is: 26,278.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,794.66 : 43,871.76 = 19,044.86 : x
  2. Step 2: Convert to fraction form
    31,794.66/43,871.76 = 19,044.86/x
  3. Step 3: Cross multiply
    31,794.66x = 43,871.76 × 19,044.86
  4. Step 4: Simplify right side
    31,794.66x = 835,531,307.79
  5. Step 5: Solve for x
    x = 835,531,307.79/31,794.66
  6. Step 6: Final answer
    x = 26,278.98

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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.