Home / 40,682.59-56,139.31-22,777.43

Finding the Fourth Proportional to 40,682.59, 56,139.31 and 22,777.43

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Solution

The fourth proportional to 40,682.59, 56,139.31 and 22,777.43 is: 31,431.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,682.59 : 56,139.31 = 22,777.43 : x
  2. Step 2: Convert to fraction form
    40,682.59/56,139.31 = 22,777.43/x
  3. Step 3: Cross multiply
    40,682.59x = 56,139.31 × 22,777.43
  4. Step 4: Simplify right side
    40,682.59x = 1,278,709,203.77
  5. Step 5: Solve for x
    x = 1,278,709,203.77/40,682.59
  6. Step 6: Final answer
    x = 31,431.36

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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.