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Finding the Fourth Proportional to 35,642.93, 49,182.90 and 20,540.48

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Solution

The fourth proportional to 35,642.93, 49,182.90 and 20,540.48 is: 28,343.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,642.93 : 49,182.90 = 20,540.48 : x
  2. Step 2: Convert to fraction form
    35,642.93/49,182.90 = 20,540.48/x
  3. Step 3: Cross multiply
    35,642.93x = 49,182.90 × 20,540.48
  4. Step 4: Simplify right side
    35,642.93x = 1,010,240,127.88
  5. Step 5: Solve for x
    x = 1,010,240,127.88/35,642.93
  6. Step 6: Final answer
    x = 28,343.36

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