Home / 40,820.88-56,329.70-22,912.44

Finding the Fourth Proportional to 40,820.88, 56,329.70 and 22,912.44

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Solution

The fourth proportional to 40,820.88, 56,329.70 and 22,912.44 is: 31,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,820.88 : 56,329.70 = 22,912.44 : x
  2. Step 2: Convert to fraction form
    40,820.88/56,329.70 = 22,912.44/x
  3. Step 3: Cross multiply
    40,820.88x = 56,329.70 × 22,912.44
  4. Step 4: Simplify right side
    40,820.88x = 1,290,650,871.47
  5. Step 5: Solve for x
    x = 1,290,650,871.47/40,820.88
  6. Step 6: Final answer
    x = 31,617.42

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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.