Home / 51,840.09-77,741.10-18,551.16

Finding the Fourth Proportional to 51,840.09, 77,741.10 and 18,551.16

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Solution

The fourth proportional to 51,840.09, 77,741.10 and 18,551.16 is: 27,819.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,840.09 : 77,741.10 = 18,551.16 : x
  2. Step 2: Convert to fraction form
    51,840.09/77,741.10 = 18,551.16/x
  3. Step 3: Cross multiply
    51,840.09x = 77,741.10 × 18,551.16
  4. Step 4: Simplify right side
    51,840.09x = 1,442,187,584.68
  5. Step 5: Solve for x
    x = 1,442,187,584.68/51,840.09
  6. Step 6: Final answer
    x = 27,819.93

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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.