Home / 55,269.45-82,920.32-17,828.70

Finding the Fourth Proportional to 55,269.45, 82,920.32 and 17,828.70

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Solution

The fourth proportional to 55,269.45, 82,920.32 and 17,828.70 is: 26,748.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,269.45 : 82,920.32 = 17,828.70 : x
  2. Step 2: Convert to fraction form
    55,269.45/82,920.32 = 17,828.70/x
  3. Step 3: Cross multiply
    55,269.45x = 82,920.32 × 17,828.70
  4. Step 4: Simplify right side
    55,269.45x = 1,478,361,276.23
  5. Step 5: Solve for x
    x = 1,478,361,276.23/55,269.45
  6. Step 6: Final answer
    x = 26,748.25

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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.