Home / 55,423.62-83,170.08-22,138.56

Finding the Fourth Proportional to 55,423.62, 83,170.08 and 22,138.56

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Solution

The fourth proportional to 55,423.62, 83,170.08 and 22,138.56 is: 33,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,423.62 : 83,170.08 = 22,138.56 : x
  2. Step 2: Convert to fraction form
    55,423.62/83,170.08 = 22,138.56/x
  3. Step 3: Cross multiply
    55,423.62x = 83,170.08 × 22,138.56
  4. Step 4: Simplify right side
    55,423.62x = 1,841,265,806.28
  5. Step 5: Solve for x
    x = 1,841,265,806.28/55,423.62
  6. Step 6: Final answer
    x = 33,221.68

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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.