Home / 52,033.91-78,019.25-20,406.08

Finding the Fourth Proportional to 52,033.91, 78,019.25 and 20,406.08

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Solution

The fourth proportional to 52,033.91, 78,019.25 and 20,406.08 is: 30,596.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,033.91 : 78,019.25 = 20,406.08 : x
  2. Step 2: Convert to fraction form
    52,033.91/78,019.25 = 20,406.08/x
  3. Step 3: Cross multiply
    52,033.91x = 78,019.25 × 20,406.08
  4. Step 4: Simplify right side
    52,033.91x = 1,592,066,564.91
  5. Step 5: Solve for x
    x = 1,592,066,564.91/52,033.91
  6. Step 6: Final answer
    x = 30,596.72

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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.