Home / 35,496.80-53,180.40-21,629.60

Finding the Fourth Proportional to 35,496.80, 53,180.40 and 21,629.60

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Solution

The fourth proportional to 35,496.80, 53,180.40 and 21,629.60 is: 32,404.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,496.80 : 53,180.40 = 21,629.60 : x
  2. Step 2: Convert to fraction form
    35,496.80/53,180.40 = 21,629.60/x
  3. Step 3: Cross multiply
    35,496.80x = 53,180.40 × 21,629.60
  4. Step 4: Simplify right side
    35,496.80x = 1,150,270,779.84
  5. Step 5: Solve for x
    x = 1,150,270,779.84/35,496.80
  6. Step 6: Final answer
    x = 32,404.91

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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.