Home / 51,731.76-77,551.40-22,134.36

Finding the Fourth Proportional to 51,731.76, 77,551.40 and 22,134.36

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Solution

The fourth proportional to 51,731.76, 77,551.40 and 22,134.36 is: 33,181.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,731.76 : 77,551.40 = 22,134.36 : x
  2. Step 2: Convert to fraction form
    51,731.76/77,551.40 = 22,134.36/x
  3. Step 3: Cross multiply
    51,731.76x = 77,551.40 × 22,134.36
  4. Step 4: Simplify right side
    51,731.76x = 1,716,550,606.10
  5. Step 5: Solve for x
    x = 1,716,550,606.10/51,731.76
  6. Step 6: Final answer
    x = 33,181.76

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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.