Home / 51,918.56-77,828.10-33,145.64

Finding the Fourth Proportional to 51,918.56, 77,828.10 and 33,145.64

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Solution

The fourth proportional to 51,918.56, 77,828.10 and 33,145.64 is: 49,686.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,918.56 : 77,828.10 = 33,145.64 : x
  2. Step 2: Convert to fraction form
    51,918.56/77,828.10 = 33,145.64/x
  3. Step 3: Cross multiply
    51,918.56x = 77,828.10 × 33,145.64
  4. Step 4: Simplify right side
    51,918.56x = 2,579,662,184.48
  5. Step 5: Solve for x
    x = 2,579,662,184.48/51,918.56
  6. Step 6: Final answer
    x = 49,686.71

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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.