Home / 34,245.58-51,353.79-13,454.50

Finding the Fourth Proportional to 34,245.58, 51,353.79 and 13,454.50

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Solution

The fourth proportional to 34,245.58, 51,353.79 and 13,454.50 is: 20,176.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,245.58 : 51,353.79 = 13,454.50 : x
  2. Step 2: Convert to fraction form
    34,245.58/51,353.79 = 13,454.50/x
  3. Step 3: Cross multiply
    34,245.58x = 51,353.79 × 13,454.50
  4. Step 4: Simplify right side
    34,245.58x = 690,939,567.56
  5. Step 5: Solve for x
    x = 690,939,567.56/34,245.58
  6. Step 6: Final answer
    x = 20,176.02

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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.