Home / 55,704.68-83,559.78-20,636.14

Finding the Fourth Proportional to 55,704.68, 83,559.78 and 20,636.14

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Solution

The fourth proportional to 55,704.68, 83,559.78 and 20,636.14 is: 30,955.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,704.68 : 83,559.78 = 20,636.14 : x
  2. Step 2: Convert to fraction form
    55,704.68/83,559.78 = 20,636.14/x
  3. Step 3: Cross multiply
    55,704.68x = 83,559.78 × 20,636.14
  4. Step 4: Simplify right side
    55,704.68x = 1,724,351,318.45
  5. Step 5: Solve for x
    x = 1,724,351,318.45/55,704.68
  6. Step 6: Final answer
    x = 30,955.23

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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.