Home / 51,330.21-77,043.74-26,387.75

Finding the Fourth Proportional to 51,330.21, 77,043.74 and 26,387.75

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Solution

The fourth proportional to 51,330.21, 77,043.74 and 26,387.75 is: 39,606.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,330.21 : 77,043.74 = 26,387.75 : x
  2. Step 2: Convert to fraction form
    51,330.21/77,043.74 = 26,387.75/x
  3. Step 3: Cross multiply
    51,330.21x = 77,043.74 × 26,387.75
  4. Step 4: Simplify right side
    51,330.21x = 2,033,010,433.03
  5. Step 5: Solve for x
    x = 2,033,010,433.03/51,330.21
  6. Step 6: Final answer
    x = 39,606.51

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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.