Home / 31,444.09-43,394.35-18,015.37

Finding the Fourth Proportional to 31,444.09, 43,394.35 and 18,015.37

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Solution

The fourth proportional to 31,444.09, 43,394.35 and 18,015.37 is: 24,862.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,444.09 : 43,394.35 = 18,015.37 : x
  2. Step 2: Convert to fraction form
    31,444.09/43,394.35 = 18,015.37/x
  3. Step 3: Cross multiply
    31,444.09x = 43,394.35 × 18,015.37
  4. Step 4: Simplify right side
    31,444.09x = 781,765,494.53
  5. Step 5: Solve for x
    x = 781,765,494.53/31,444.09
  6. Step 6: Final answer
    x = 24,862.08

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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.