Home / 55,210.28-82,789.94-17,763.40

Finding the Fourth Proportional to 55,210.28, 82,789.94 and 17,763.40

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Solution

The fourth proportional to 55,210.28, 82,789.94 and 17,763.40 is: 26,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,210.28 : 82,789.94 = 17,763.40 : x
  2. Step 2: Convert to fraction form
    55,210.28/82,789.94 = 17,763.40/x
  3. Step 3: Cross multiply
    55,210.28x = 82,789.94 × 17,763.40
  4. Step 4: Simplify right side
    55,210.28x = 1,470,630,820.20
  5. Step 5: Solve for x
    x = 1,470,630,820.20/55,210.28
  6. Step 6: Final answer
    x = 26,636.90

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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.