Home / 55,201.03-82,802.92-20,140.69

Finding the Fourth Proportional to 55,201.03, 82,802.92 and 20,140.69

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Solution

The fourth proportional to 55,201.03, 82,802.92 and 20,140.69 is: 30,211.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,201.03 : 82,802.92 = 20,140.69 : x
  2. Step 2: Convert to fraction form
    55,201.03/82,802.92 = 20,140.69/x
  3. Step 3: Cross multiply
    55,201.03x = 82,802.92 × 20,140.69
  4. Step 4: Simplify right side
    55,201.03x = 1,667,707,635.10
  5. Step 5: Solve for x
    x = 1,667,707,635.10/55,201.03
  6. Step 6: Final answer
    x = 30,211.53

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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.