Home / 31,412.22-43,350.92-19,483.49

Finding the Fourth Proportional to 31,412.22, 43,350.92 and 19,483.49

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Solution

The fourth proportional to 31,412.22, 43,350.92 and 19,483.49 is: 26,888.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,412.22 : 43,350.92 = 19,483.49 : x
  2. Step 2: Convert to fraction form
    31,412.22/43,350.92 = 19,483.49/x
  3. Step 3: Cross multiply
    31,412.22x = 43,350.92 × 19,483.49
  4. Step 4: Simplify right side
    31,412.22x = 844,626,902.14
  5. Step 5: Solve for x
    x = 844,626,902.14/31,412.22
  6. Step 6: Final answer
    x = 26,888.48

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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.