Home / 55,325.08-82,935.78-20,237.50

Finding the Fourth Proportional to 55,325.08, 82,935.78 and 20,237.50

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Solution

The fourth proportional to 55,325.08, 82,935.78 and 20,237.50 is: 30,337.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,325.08 : 82,935.78 = 20,237.50 : x
  2. Step 2: Convert to fraction form
    55,325.08/82,935.78 = 20,237.50/x
  3. Step 3: Cross multiply
    55,325.08x = 82,935.78 × 20,237.50
  4. Step 4: Simplify right side
    55,325.08x = 1,678,412,847.75
  5. Step 5: Solve for x
    x = 1,678,412,847.75/55,325.08
  6. Step 6: Final answer
    x = 30,337.29

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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.