Home / 34,040.70-51,147.45-30,239.10

Finding the Fourth Proportional to 34,040.70, 51,147.45 and 30,239.10

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Solution

The fourth proportional to 34,040.70, 51,147.45 and 30,239.10 is: 45,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,040.70 : 51,147.45 = 30,239.10 : x
  2. Step 2: Convert to fraction form
    34,040.70/51,147.45 = 30,239.10/x
  3. Step 3: Cross multiply
    34,040.70x = 51,147.45 × 30,239.10
  4. Step 4: Simplify right side
    34,040.70x = 1,546,652,855.30
  5. Step 5: Solve for x
    x = 1,546,652,855.30/34,040.70
  6. Step 6: Final answer
    x = 45,435.40

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1.5x scale

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.