Home / 55,209.28-82,788.44-17,762.40

Finding the Fourth Proportional to 55,209.28, 82,788.44 and 17,762.40

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Solution

The fourth proportional to 55,209.28, 82,788.44 and 17,762.40 is: 26,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,209.28 : 82,788.44 = 17,762.40 : x
  2. Step 2: Convert to fraction form
    55,209.28/82,788.44 = 17,762.40/x
  3. Step 3: Cross multiply
    55,209.28x = 82,788.44 × 17,762.40
  4. Step 4: Simplify right side
    55,209.28x = 1,470,521,386.66
  5. Step 5: Solve for x
    x = 1,470,521,386.66/55,209.28
  6. Step 6: Final answer
    x = 26,635.40

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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.