Home / 51,580.56-77,345.33-18,295.64

Finding the Fourth Proportional to 51,580.56, 77,345.33 and 18,295.64

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Solution

The fourth proportional to 51,580.56, 77,345.33 and 18,295.64 is: 27,434.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,580.56 : 77,345.33 = 18,295.64 : x
  2. Step 2: Convert to fraction form
    51,580.56/77,345.33 = 18,295.64/x
  3. Step 3: Cross multiply
    51,580.56x = 77,345.33 × 18,295.64
  4. Step 4: Simplify right side
    51,580.56x = 1,415,082,228.11
  5. Step 5: Solve for x
    x = 1,415,082,228.11/51,580.56
  6. Step 6: Final answer
    x = 27,434.41

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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.