Home / 36,355.92-54,511.14-12,657.84

Finding the Fourth Proportional to 36,355.92, 54,511.14 and 12,657.84

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Solution

The fourth proportional to 36,355.92, 54,511.14 and 12,657.84 is: 18,978.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,355.92 : 54,511.14 = 12,657.84 : x
  2. Step 2: Convert to fraction form
    36,355.92/54,511.14 = 12,657.84/x
  3. Step 3: Cross multiply
    36,355.92x = 54,511.14 × 12,657.84
  4. Step 4: Simplify right side
    36,355.92x = 689,993,288.34
  5. Step 5: Solve for x
    x = 689,993,288.34/36,355.92
  6. Step 6: Final answer
    x = 18,978.84

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1.5x scale

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.