Home / 31,518.69-43,494.08-17,370.42

Finding the Fourth Proportional to 31,518.69, 43,494.08 and 17,370.42

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Solution

The fourth proportional to 31,518.69, 43,494.08 and 17,370.42 is: 23,970.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,518.69 : 43,494.08 = 17,370.42 : x
  2. Step 2: Convert to fraction form
    31,518.69/43,494.08 = 17,370.42/x
  3. Step 3: Cross multiply
    31,518.69x = 43,494.08 × 17,370.42
  4. Step 4: Simplify right side
    31,518.69x = 755,510,350.26
  5. Step 5: Solve for x
    x = 755,510,350.26/31,518.69
  6. Step 6: Final answer
    x = 23,970.23

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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.