Home / 55,425.94-83,141.38-20,346.46

Finding the Fourth Proportional to 55,425.94, 83,141.38 and 20,346.46

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Solution

The fourth proportional to 55,425.94, 83,141.38 and 20,346.46 is: 30,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,425.94 : 83,141.38 = 20,346.46 : x
  2. Step 2: Convert to fraction form
    55,425.94/83,141.38 = 20,346.46/x
  3. Step 3: Cross multiply
    55,425.94x = 83,141.38 × 20,346.46
  4. Step 4: Simplify right side
    55,425.94x = 1,691,632,762.51
  5. Step 5: Solve for x
    x = 1,691,632,762.51/55,425.94
  6. Step 6: Final answer
    x = 30,520.60

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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.