Home / 51,458.40-77,131.29-26,499.96

Finding the Fourth Proportional to 51,458.40, 77,131.29 and 26,499.96

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Solution

The fourth proportional to 51,458.40, 77,131.29 and 26,499.96 is: 39,720.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,458.40 : 77,131.29 = 26,499.96 : x
  2. Step 2: Convert to fraction form
    51,458.40/77,131.29 = 26,499.96/x
  3. Step 3: Cross multiply
    51,458.40x = 77,131.29 × 26,499.96
  4. Step 4: Simplify right side
    51,458.40x = 2,043,976,099.75
  5. Step 5: Solve for x
    x = 2,043,976,099.75/51,458.40
  6. Step 6: Final answer
    x = 39,720.94

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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.