Home / 52,856.45-79,284.31-12,874.96

Finding the Fourth Proportional to 52,856.45, 79,284.31 and 12,874.96

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Solution

The fourth proportional to 52,856.45, 79,284.31 and 12,874.96 is: 19,312.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,856.45 : 79,284.31 = 12,874.96 : x
  2. Step 2: Convert to fraction form
    52,856.45/79,284.31 = 12,874.96/x
  3. Step 3: Cross multiply
    52,856.45x = 79,284.31 × 12,874.96
  4. Step 4: Simplify right side
    52,856.45x = 1,020,782,319.88
  5. Step 5: Solve for x
    x = 1,020,782,319.88/52,856.45
  6. Step 6: Final answer
    x = 19,312.35

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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.