Home / 34,305.60-51,431.52-13,544.64

Finding the Fourth Proportional to 34,305.60, 51,431.52 and 13,544.64

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Solution

The fourth proportional to 34,305.60, 51,431.52 and 13,544.64 is: 20,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,305.60 : 51,431.52 = 13,544.64 : x
  2. Step 2: Convert to fraction form
    34,305.60/51,431.52 = 13,544.64/x
  3. Step 3: Cross multiply
    34,305.60x = 51,431.52 × 13,544.64
  4. Step 4: Simplify right side
    34,305.60x = 696,621,423.05
  5. Step 5: Solve for x
    x = 696,621,423.05/34,305.60
  6. Step 6: Final answer
    x = 20,306.35

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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.