Home / 55,631.34-83,447.37-14,078.34

Finding the Fourth Proportional to 55,631.34, 83,447.37 and 14,078.34

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Solution

The fourth proportional to 55,631.34, 83,447.37 and 14,078.34 is: 21,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,631.34 : 83,447.37 = 14,078.34 : x
  2. Step 2: Convert to fraction form
    55,631.34/83,447.37 = 14,078.34/x
  3. Step 3: Cross multiply
    55,631.34x = 83,447.37 × 14,078.34
  4. Step 4: Simplify right side
    55,631.34x = 1,174,800,446.97
  5. Step 5: Solve for x
    x = 1,174,800,446.97/55,631.34
  6. Step 6: Final answer
    x = 21,117.60

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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.