Home / 36,148.40-54,149.70-30,283.88

Finding the Fourth Proportional to 36,148.40, 54,149.70 and 30,283.88

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Solution

The fourth proportional to 36,148.40, 54,149.70 and 30,283.88 is: 45,364.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,148.40 : 54,149.70 = 30,283.88 : x
  2. Step 2: Convert to fraction form
    36,148.40/54,149.70 = 30,283.88/x
  3. Step 3: Cross multiply
    36,148.40x = 54,149.70 × 30,283.88
  4. Step 4: Simplify right side
    36,148.40x = 1,639,863,016.84
  5. Step 5: Solve for x
    x = 1,639,863,016.84/36,148.40
  6. Step 6: Final answer
    x = 45,364.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.