Home / 34,630.20-51,945.30-30,256.20

Finding the Fourth Proportional to 34,630.20, 51,945.30 and 30,256.20

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Solution

The fourth proportional to 34,630.20, 51,945.30 and 30,256.20 is: 45,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,630.20 : 51,945.30 = 30,256.20 : x
  2. Step 2: Convert to fraction form
    34,630.20/51,945.30 = 30,256.20/x
  3. Step 3: Cross multiply
    34,630.20x = 51,945.30 × 30,256.20
  4. Step 4: Simplify right side
    34,630.20x = 1,571,667,385.86
  5. Step 5: Solve for x
    x = 1,571,667,385.86/34,630.20
  6. Step 6: Final answer
    x = 45,384.30

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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.