Home / 52,286.87-78,395.64-19,002.98

Finding the Fourth Proportional to 52,286.87, 78,395.64 and 19,002.98

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Solution

The fourth proportional to 52,286.87, 78,395.64 and 19,002.98 is: 28,491.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,286.87 : 78,395.64 = 19,002.98 : x
  2. Step 2: Convert to fraction form
    52,286.87/78,395.64 = 19,002.98/x
  3. Step 3: Cross multiply
    52,286.87x = 78,395.64 × 19,002.98
  4. Step 4: Simplify right side
    52,286.87x = 1,489,750,903.74
  5. Step 5: Solve for x
    x = 1,489,750,903.74/52,286.87
  6. Step 6: Final answer
    x = 28,491.87

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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.