Home / 51,493.68-77,247.72-16,421.40

Finding the Fourth Proportional to 51,493.68, 77,247.72 and 16,421.40

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Solution

The fourth proportional to 51,493.68, 77,247.72 and 16,421.40 is: 24,634.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,493.68 : 77,247.72 = 16,421.40 : x
  2. Step 2: Convert to fraction form
    51,493.68/77,247.72 = 16,421.40/x
  3. Step 3: Cross multiply
    51,493.68x = 77,247.72 × 16,421.40
  4. Step 4: Simplify right side
    51,493.68x = 1,268,515,709.21
  5. Step 5: Solve for x
    x = 1,268,515,709.21/51,493.68
  6. Step 6: Final answer
    x = 24,634.40

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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.