Home / 35,851.42-53,755.53-21,053.26

Finding the Fourth Proportional to 35,851.42, 53,755.53 and 21,053.26

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Solution

The fourth proportional to 35,851.42, 53,755.53 and 21,053.26 is: 31,567.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,851.42 : 53,755.53 = 21,053.26 : x
  2. Step 2: Convert to fraction form
    35,851.42/53,755.53 = 21,053.26/x
  3. Step 3: Cross multiply
    35,851.42x = 53,755.53 × 21,053.26
  4. Step 4: Simplify right side
    35,851.42x = 1,131,729,149.53
  5. Step 5: Solve for x
    x = 1,131,729,149.53/35,851.42
  6. Step 6: Final answer
    x = 31,567.21

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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.