Home / 51,279.45-76,927.31-21,697.50

Finding the Fourth Proportional to 51,279.45, 76,927.31 and 21,697.50

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Solution

The fourth proportional to 51,279.45, 76,927.31 and 21,697.50 is: 32,549.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,279.45 : 76,927.31 = 21,697.50 : x
  2. Step 2: Convert to fraction form
    51,279.45/76,927.31 = 21,697.50/x
  3. Step 3: Cross multiply
    51,279.45x = 76,927.31 × 21,697.50
  4. Step 4: Simplify right side
    51,279.45x = 1,669,130,200.24
  5. Step 5: Solve for x
    x = 1,669,130,200.24/51,279.45
  6. Step 6: Final answer
    x = 32,549.69

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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.