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Finding the Fourth Proportional to 52,098.52, 78,099.58 and 20,525.72

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Solution

The fourth proportional to 52,098.52, 78,099.58 and 20,525.72 is: 30,769.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,098.52 : 78,099.58 = 20,525.72 : x
  2. Step 2: Convert to fraction form
    52,098.52/78,099.58 = 20,525.72/x
  3. Step 3: Cross multiply
    52,098.52x = 78,099.58 × 20,525.72
  4. Step 4: Simplify right side
    52,098.52x = 1,603,050,111.20
  5. Step 5: Solve for x
    x = 1,603,050,111.20/52,098.52
  6. Step 6: Final answer
    x = 30,769.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.