Home / 35,750.31-49,342.61-20,645.43

Finding the Fourth Proportional to 35,750.31, 49,342.61 and 20,645.43

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Solution

The fourth proportional to 35,750.31, 49,342.61 and 20,645.43 is: 28,494.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,750.31 : 49,342.61 = 20,645.43 : x
  2. Step 2: Convert to fraction form
    35,750.31/49,342.61 = 20,645.43/x
  3. Step 3: Cross multiply
    35,750.31x = 49,342.61 × 20,645.43
  4. Step 4: Simplify right side
    35,750.31x = 1,018,699,297.55
  5. Step 5: Solve for x
    x = 1,018,699,297.55/35,750.31
  6. Step 6: Final answer
    x = 28,494.84

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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.