Home / 34,255.60-51,383.40-9,628.40

Finding the Fourth Proportional to 34,255.60, 51,383.40 and 9,628.40

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Solution

The fourth proportional to 34,255.60, 51,383.40 and 9,628.40 is: 14,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,255.60 : 51,383.40 = 9,628.40 : x
  2. Step 2: Convert to fraction form
    34,255.60/51,383.40 = 9,628.40/x
  3. Step 3: Cross multiply
    34,255.60x = 51,383.40 × 9,628.40
  4. Step 4: Simplify right side
    34,255.60x = 494,739,928.56
  5. Step 5: Solve for x
    x = 494,739,928.56/34,255.60
  6. Step 6: Final answer
    x = 14,442.60

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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.