Home / 51,040.44-70,433.46-28,380.84

Finding the Fourth Proportional to 51,040.44, 70,433.46 and 28,380.84

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Solution

The fourth proportional to 51,040.44, 70,433.46 and 28,380.84 is: 39,164.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,040.44 : 70,433.46 = 28,380.84 : x
  2. Step 2: Convert to fraction form
    51,040.44/70,433.46 = 28,380.84/x
  3. Step 3: Cross multiply
    51,040.44x = 70,433.46 × 28,380.84
  4. Step 4: Simplify right side
    51,040.44x = 1,998,960,758.91
  5. Step 5: Solve for x
    x = 1,998,960,758.91/51,040.44
  6. Step 6: Final answer
    x = 39,164.25

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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.