Home / 34,757.10-52,127.64-20,721.08

Finding the Fourth Proportional to 34,757.10, 52,127.64 and 20,721.08

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Solution

The fourth proportional to 34,757.10, 52,127.64 and 20,721.08 is: 31,076.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,757.10 : 52,127.64 = 20,721.08 : x
  2. Step 2: Convert to fraction form
    34,757.10/52,127.64 = 20,721.08/x
  3. Step 3: Cross multiply
    34,757.10x = 52,127.64 × 20,721.08
  4. Step 4: Simplify right side
    34,757.10x = 1,080,140,738.01
  5. Step 5: Solve for x
    x = 1,080,140,738.01/34,757.10
  6. Step 6: Final answer
    x = 31,076.84

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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.