Home / 35,343.47-48,774.09-20,236.36

Finding the Fourth Proportional to 35,343.47, 48,774.09 and 20,236.36

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Solution

The fourth proportional to 35,343.47, 48,774.09 and 20,236.36 is: 27,926.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,343.47 : 48,774.09 = 20,236.36 : x
  2. Step 2: Convert to fraction form
    35,343.47/48,774.09 = 20,236.36/x
  3. Step 3: Cross multiply
    35,343.47x = 48,774.09 × 20,236.36
  4. Step 4: Simplify right side
    35,343.47x = 987,010,104.88
  5. Step 5: Solve for x
    x = 987,010,104.88/35,343.47
  6. Step 6: Final answer
    x = 27,926.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.