Home / 35,209.21-52,743.46-21,161.65

Finding the Fourth Proportional to 35,209.21, 52,743.46 and 21,161.65

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Solution

The fourth proportional to 35,209.21, 52,743.46 and 21,161.65 is: 31,700.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,209.21 : 52,743.46 = 21,161.65 : x
  2. Step 2: Convert to fraction form
    35,209.21/52,743.46 = 21,161.65/x
  3. Step 3: Cross multiply
    35,209.21x = 52,743.46 × 21,161.65
  4. Step 4: Simplify right side
    35,209.21x = 1,116,138,640.31
  5. Step 5: Solve for x
    x = 1,116,138,640.31/35,209.21
  6. Step 6: Final answer
    x = 31,700.19

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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.