Home / 51,710.66-77,546.83-18,421.88

Finding the Fourth Proportional to 51,710.66, 77,546.83 and 18,421.88

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Solution

The fourth proportional to 51,710.66, 77,546.83 and 18,421.88 is: 27,625.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,710.66 : 77,546.83 = 18,421.88 : x
  2. Step 2: Convert to fraction form
    51,710.66/77,546.83 = 18,421.88/x
  3. Step 3: Cross multiply
    51,710.66x = 77,546.83 × 18,421.88
  4. Step 4: Simplify right side
    51,710.66x = 1,428,558,396.64
  5. Step 5: Solve for x
    x = 1,428,558,396.64/51,710.66
  6. Step 6: Final answer
    x = 27,625.99

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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.