Home / 51,279.53-76,928.32-17,537.61

Finding the Fourth Proportional to 51,279.53, 76,928.32 and 17,537.61

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Solution

The fourth proportional to 51,279.53, 76,928.32 and 17,537.61 is: 26,309.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,279.53 : 76,928.32 = 17,537.61 : x
  2. Step 2: Convert to fraction form
    51,279.53/76,928.32 = 17,537.61/x
  3. Step 3: Cross multiply
    51,279.53x = 76,928.32 × 17,537.61
  4. Step 4: Simplify right side
    51,279.53x = 1,349,139,184.52
  5. Step 5: Solve for x
    x = 1,349,139,184.52/51,279.53
  6. Step 6: Final answer
    x = 26,309.51

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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.