Home / 45,000.64-67,481.58-15,421.42

Finding the Fourth Proportional to 45,000.64, 67,481.58 and 15,421.42

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Solution

The fourth proportional to 45,000.64, 67,481.58 and 15,421.42 is: 23,125.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,000.64 : 67,481.58 = 15,421.42 : x
  2. Step 2: Convert to fraction form
    45,000.64/67,481.58 = 15,421.42/x
  3. Step 3: Cross multiply
    45,000.64x = 67,481.58 × 15,421.42
  4. Step 4: Simplify right side
    45,000.64x = 1,040,661,787.44
  5. Step 5: Solve for x
    x = 1,040,661,787.44/45,000.64
  6. Step 6: Final answer
    x = 23,125.49

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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.