Home / 34,757.34-52,128.01-20,721.33

Finding the Fourth Proportional to 34,757.34, 52,128.01 and 20,721.33

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Solution

The fourth proportional to 34,757.34, 52,128.01 and 20,721.33 is: 31,077.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,757.34 : 52,128.01 = 20,721.33 : x
  2. Step 2: Convert to fraction form
    34,757.34/52,128.01 = 20,721.33/x
  3. Step 3: Cross multiply
    34,757.34x = 52,128.01 × 20,721.33
  4. Step 4: Simplify right side
    34,757.34x = 1,080,161,697.45
  5. Step 5: Solve for x
    x = 1,080,161,697.45/34,757.34
  6. Step 6: Final answer
    x = 31,077.23

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1.5x scale

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.