Home / 34,310.03-51,455.76-12,120.48

Finding the Fourth Proportional to 34,310.03, 51,455.76 and 12,120.48

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Solution

The fourth proportional to 34,310.03, 51,455.76 and 12,120.48 is: 18,177.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,310.03 : 51,455.76 = 12,120.48 : x
  2. Step 2: Convert to fraction form
    34,310.03/51,455.76 = 12,120.48/x
  3. Step 3: Cross multiply
    34,310.03x = 51,455.76 × 12,120.48
  4. Step 4: Simplify right side
    34,310.03x = 623,668,509.96
  5. Step 5: Solve for x
    x = 623,668,509.96/34,310.03
  6. Step 6: Final answer
    x = 18,177.44

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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.