Home / 55,425.35-83,146.22-20,362.28

Finding the Fourth Proportional to 55,425.35, 83,146.22 and 20,362.28

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Solution

The fourth proportional to 55,425.35, 83,146.22 and 20,362.28 is: 30,546.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,425.35 : 83,146.22 = 20,362.28 : x
  2. Step 2: Convert to fraction form
    55,425.35/83,146.22 = 20,362.28/x
  3. Step 3: Cross multiply
    55,425.35x = 83,146.22 × 20,362.28
  4. Step 4: Simplify right side
    55,425.35x = 1,693,046,095.04
  5. Step 5: Solve for x
    x = 1,693,046,095.04/55,425.35
  6. Step 6: Final answer
    x = 30,546.42

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1.5x scale

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.