Home / 55,205.04-82,808.93-20,144.69

Finding the Fourth Proportional to 55,205.04, 82,808.93 and 20,144.69

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Solution

The fourth proportional to 55,205.04, 82,808.93 and 20,144.69 is: 30,217.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,205.04 : 82,808.93 = 20,144.69 : x
  2. Step 2: Convert to fraction form
    55,205.04/82,808.93 = 20,144.69/x
  3. Step 3: Cross multiply
    55,205.04x = 82,808.93 × 20,144.69
  4. Step 4: Simplify right side
    55,205.04x = 1,668,160,224.08
  5. Step 5: Solve for x
    x = 1,668,160,224.08/55,205.04
  6. Step 6: Final answer
    x = 30,217.53

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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.