Home / 35,354.75-53,029.35-20,554.22

Finding the Fourth Proportional to 35,354.75, 53,029.35 and 20,554.22

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Solution

The fourth proportional to 35,354.75, 53,029.35 and 20,554.22 is: 30,829.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,354.75 : 53,029.35 = 20,554.22 : x
  2. Step 2: Convert to fraction form
    35,354.75/53,029.35 = 20,554.22/x
  3. Step 3: Cross multiply
    35,354.75x = 53,029.35 × 20,554.22
  4. Step 4: Simplify right side
    35,354.75x = 1,089,976,926.36
  5. Step 5: Solve for x
    x = 1,089,976,926.36/35,354.75
  6. Step 6: Final answer
    x = 30,829.72

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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.