Home / 31,237.03-43,103.23-17,806.60

Finding the Fourth Proportional to 31,237.03, 43,103.23 and 17,806.60

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Solution

The fourth proportional to 31,237.03, 43,103.23 and 17,806.60 is: 24,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,237.03 : 43,103.23 = 17,806.60 : x
  2. Step 2: Convert to fraction form
    31,237.03/43,103.23 = 17,806.60/x
  3. Step 3: Cross multiply
    31,237.03x = 43,103.23 × 17,806.60
  4. Step 4: Simplify right side
    31,237.03x = 767,521,975.32
  5. Step 5: Solve for x
    x = 767,521,975.32/31,237.03
  6. Step 6: Final answer
    x = 24,570.90

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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.