Home / 52,310.96-78,464.99-19,031.64

Finding the Fourth Proportional to 52,310.96, 78,464.99 and 19,031.64

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Solution

The fourth proportional to 52,310.96, 78,464.99 and 19,031.64 is: 28,546.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,310.96 : 78,464.99 = 19,031.64 : x
  2. Step 2: Convert to fraction form
    52,310.96/78,464.99 = 19,031.64/x
  3. Step 3: Cross multiply
    52,310.96x = 78,464.99 × 19,031.64
  4. Step 4: Simplify right side
    52,310.96x = 1,493,316,954.80
  5. Step 5: Solve for x
    x = 1,493,316,954.80/52,310.96
  6. Step 6: Final answer
    x = 28,546.92

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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.