Home / 31,304.06-43,193.21-18,551.62

Finding the Fourth Proportional to 31,304.06, 43,193.21 and 18,551.62

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Solution

The fourth proportional to 31,304.06, 43,193.21 and 18,551.62 is: 25,597.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,304.06 : 43,193.21 = 18,551.62 : x
  2. Step 2: Convert to fraction form
    31,304.06/43,193.21 = 18,551.62/x
  3. Step 3: Cross multiply
    31,304.06x = 43,193.21 × 18,551.62
  4. Step 4: Simplify right side
    31,304.06x = 801,303,956.90
  5. Step 5: Solve for x
    x = 801,303,956.90/31,304.06
  6. Step 6: Final answer
    x = 25,597.45

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Similar ratio
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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.