Home / 30,902.05-46,332.60-11,178.01

Finding the Fourth Proportional to 30,902.05, 46,332.60 and 11,178.01

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Solution

The fourth proportional to 30,902.05, 46,332.60 and 11,178.01 is: 16,759.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,902.05 : 46,332.60 = 11,178.01 : x
  2. Step 2: Convert to fraction form
    30,902.05/46,332.60 = 11,178.01/x
  3. Step 3: Cross multiply
    30,902.05x = 46,332.60 × 11,178.01
  4. Step 4: Simplify right side
    30,902.05x = 517,906,266.13
  5. Step 5: Solve for x
    x = 517,906,266.13/30,902.05
  6. Step 6: Final answer
    x = 16,759.61

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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.