Home / 52,298.35-78,446.84-12,855.81

Finding the Fourth Proportional to 52,298.35, 78,446.84 and 12,855.81

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Solution

The fourth proportional to 52,298.35, 78,446.84 and 12,855.81 is: 19,283.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,298.35 : 78,446.84 = 12,855.81 : x
  2. Step 2: Convert to fraction form
    52,298.35/78,446.84 = 12,855.81/x
  3. Step 3: Cross multiply
    52,298.35x = 78,446.84 × 12,855.81
  4. Step 4: Simplify right side
    52,298.35x = 1,008,497,494.93
  5. Step 5: Solve for x
    x = 1,008,497,494.93/52,298.35
  6. Step 6: Final answer
    x = 19,283.54

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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.