Home / 55,646.39-83,480.56-20,586.35

Finding the Fourth Proportional to 55,646.39, 83,480.56 and 20,586.35

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Solution

The fourth proportional to 55,646.39, 83,480.56 and 20,586.35 is: 30,883.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,646.39 : 83,480.56 = 20,586.35 : x
  2. Step 2: Convert to fraction form
    55,646.39/83,480.56 = 20,586.35/x
  3. Step 3: Cross multiply
    55,646.39x = 83,480.56 × 20,586.35
  4. Step 4: Simplify right side
    55,646.39x = 1,718,560,183.59
  5. Step 5: Solve for x
    x = 1,718,560,183.59/55,646.39
  6. Step 6: Final answer
    x = 30,883.59

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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.