Home / 55,546.40-83,332.80-18,106.72

Finding the Fourth Proportional to 55,546.40, 83,332.80 and 18,106.72

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Solution

The fourth proportional to 55,546.40, 83,332.80 and 18,106.72 is: 27,164.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,546.40 : 83,332.80 = 18,106.72 : x
  2. Step 2: Convert to fraction form
    55,546.40/83,332.80 = 18,106.72/x
  3. Step 3: Cross multiply
    55,546.40x = 83,332.80 × 18,106.72
  4. Step 4: Simplify right side
    55,546.40x = 1,508,883,676.42
  5. Step 5: Solve for x
    x = 1,508,883,676.42/55,546.40
  6. Step 6: Final answer
    x = 27,164.38

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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.