Home / 35,751.31-49,343.99-20,646.43

Finding the Fourth Proportional to 35,751.31, 49,343.99 and 20,646.43

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Solution

The fourth proportional to 35,751.31, 49,343.99 and 20,646.43 is: 28,496.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,751.31 : 49,343.99 = 20,646.43 : x
  2. Step 2: Convert to fraction form
    35,751.31/49,343.99 = 20,646.43/x
  3. Step 3: Cross multiply
    35,751.31x = 49,343.99 × 20,646.43
  4. Step 4: Simplify right side
    35,751.31x = 1,018,777,008.86
  5. Step 5: Solve for x
    x = 1,018,777,008.86/35,751.31
  6. Step 6: Final answer
    x = 28,496.22

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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.