Home / 51,580.45-77,382.34-18,300.55

Finding the Fourth Proportional to 51,580.45, 77,382.34 and 18,300.55

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Solution

The fourth proportional to 51,580.45, 77,382.34 and 18,300.55 is: 27,454.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,580.45 : 77,382.34 = 18,300.55 : x
  2. Step 2: Convert to fraction form
    51,580.45/77,382.34 = 18,300.55/x
  3. Step 3: Cross multiply
    51,580.45x = 77,382.34 × 18,300.55
  4. Step 4: Simplify right side
    51,580.45x = 1,416,139,288.17
  5. Step 5: Solve for x
    x = 1,416,139,288.17/51,580.45
  6. Step 6: Final answer
    x = 27,454.96

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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.