Home / 51,969.60-77,956.20-16,431.30

Finding the Fourth Proportional to 51,969.60, 77,956.20 and 16,431.30

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Solution

The fourth proportional to 51,969.60, 77,956.20 and 16,431.30 is: 24,647.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,969.60 : 77,956.20 = 16,431.30 : x
  2. Step 2: Convert to fraction form
    51,969.60/77,956.20 = 16,431.30/x
  3. Step 3: Cross multiply
    51,969.60x = 77,956.20 × 16,431.30
  4. Step 4: Simplify right side
    51,969.60x = 1,280,921,709.06
  5. Step 5: Solve for x
    x = 1,280,921,709.06/51,969.60
  6. Step 6: Final answer
    x = 24,647.52

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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.