Home / 31,513.50-43,488.63-17,367.66

Finding the Fourth Proportional to 31,513.50, 43,488.63 and 17,367.66

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Solution

The fourth proportional to 31,513.50, 43,488.63 and 17,367.66 is: 23,967.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,513.50 : 43,488.63 = 17,367.66 : x
  2. Step 2: Convert to fraction form
    31,513.50/43,488.63 = 17,367.66/x
  3. Step 3: Cross multiply
    31,513.50x = 43,488.63 × 17,367.66
  4. Step 4: Simplify right side
    31,513.50x = 755,295,739.71
  5. Step 5: Solve for x
    x = 755,295,739.71/31,513.50
  6. Step 6: Final answer
    x = 23,967.37

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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.