Home / 34,290.75-51,452.30-12,114.57

Finding the Fourth Proportional to 34,290.75, 51,452.30 and 12,114.57

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Solution

The fourth proportional to 34,290.75, 51,452.30 and 12,114.57 is: 18,177.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,290.75 : 51,452.30 = 12,114.57 : x
  2. Step 2: Convert to fraction form
    34,290.75/51,452.30 = 12,114.57/x
  3. Step 3: Cross multiply
    34,290.75x = 51,452.30 × 12,114.57
  4. Step 4: Simplify right side
    34,290.75x = 623,322,490.01
  5. Step 5: Solve for x
    x = 623,322,490.01/34,290.75
  6. Step 6: Final answer
    x = 18,177.57

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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.