Home / 51,218.17-76,777.37-23,145.29

Finding the Fourth Proportional to 51,218.17, 76,777.37 and 23,145.29

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Solution

The fourth proportional to 51,218.17, 76,777.37 and 23,145.29 is: 34,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,218.17 : 76,777.37 = 23,145.29 : x
  2. Step 2: Convert to fraction form
    51,218.17/76,777.37 = 23,145.29/x
  3. Step 3: Cross multiply
    51,218.17x = 76,777.37 × 23,145.29
  4. Step 4: Simplify right side
    51,218.17x = 1,777,034,801.06
  5. Step 5: Solve for x
    x = 1,777,034,801.06/51,218.17
  6. Step 6: Final answer
    x = 34,695.40

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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.