Home / 52,226.94-78,340.41-18,939.45

Finding the Fourth Proportional to 52,226.94, 78,340.41 and 18,939.45

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Solution

The fourth proportional to 52,226.94, 78,340.41 and 18,939.45 is: 28,409.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,226.94 : 78,340.41 = 18,939.45 : x
  2. Step 2: Convert to fraction form
    52,226.94/78,340.41 = 18,939.45/x
  3. Step 3: Cross multiply
    52,226.94x = 78,340.41 × 18,939.45
  4. Step 4: Simplify right side
    52,226.94x = 1,483,724,278.17
  5. Step 5: Solve for x
    x = 1,483,724,278.17/52,226.94
  6. Step 6: Final answer
    x = 28,409.18

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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.