Home / 31,744.41-43,795.99-18,319.06

Finding the Fourth Proportional to 31,744.41, 43,795.99 and 18,319.06

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Solution

The fourth proportional to 31,744.41, 43,795.99 and 18,319.06 is: 25,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,744.41 : 43,795.99 = 18,319.06 : x
  2. Step 2: Convert to fraction form
    31,744.41/43,795.99 = 18,319.06/x
  3. Step 3: Cross multiply
    31,744.41x = 43,795.99 × 18,319.06
  4. Step 4: Simplify right side
    31,744.41x = 802,301,368.57
  5. Step 5: Solve for x
    x = 802,301,368.57/31,744.41
  6. Step 6: Final answer
    x = 25,273.78

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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.