Home / 34,079.40-51,119.10-30,288.60

Finding the Fourth Proportional to 34,079.40, 51,119.10 and 30,288.60

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Solution

The fourth proportional to 34,079.40, 51,119.10 and 30,288.60 is: 45,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,079.40 : 51,119.10 = 30,288.60 : x
  2. Step 2: Convert to fraction form
    34,079.40/51,119.10 = 30,288.60/x
  3. Step 3: Cross multiply
    34,079.40x = 51,119.10 × 30,288.60
  4. Step 4: Simplify right side
    34,079.40x = 1,548,325,972.26
  5. Step 5: Solve for x
    x = 1,548,325,972.26/34,079.40
  6. Step 6: Final answer
    x = 45,432.90

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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.