Home / 35,578.25-53,361.19-13,391.80

Finding the Fourth Proportional to 35,578.25, 53,361.19 and 13,391.80

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Solution

The fourth proportional to 35,578.25, 53,361.19 and 13,391.80 is: 20,085.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,578.25 : 53,361.19 = 13,391.80 : x
  2. Step 2: Convert to fraction form
    35,578.25/53,361.19 = 13,391.80/x
  3. Step 3: Cross multiply
    35,578.25x = 53,361.19 × 13,391.80
  4. Step 4: Simplify right side
    35,578.25x = 714,602,267.58
  5. Step 5: Solve for x
    x = 714,602,267.58/35,578.25
  6. Step 6: Final answer
    x = 20,085.37

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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.