Home / 51,495.40-77,243.16-18,197.24

Finding the Fourth Proportional to 51,495.40, 77,243.16 and 18,197.24

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Solution

The fourth proportional to 51,495.40, 77,243.16 and 18,197.24 is: 27,295.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,495.40 : 77,243.16 = 18,197.24 : x
  2. Step 2: Convert to fraction form
    51,495.40/77,243.16 = 18,197.24/x
  3. Step 3: Cross multiply
    51,495.40x = 77,243.16 × 18,197.24
  4. Step 4: Simplify right side
    51,495.40x = 1,405,612,320.88
  5. Step 5: Solve for x
    x = 1,405,612,320.88/51,495.40
  6. Step 6: Final answer
    x = 27,295.88

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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.