Home / 40,821.15-56,329.34-22,912.66

Finding the Fourth Proportional to 40,821.15, 56,329.34 and 22,912.66

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Solution

The fourth proportional to 40,821.15, 56,329.34 and 22,912.66 is: 31,617.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,821.15 : 56,329.34 = 22,912.66 : x
  2. Step 2: Convert to fraction form
    40,821.15/56,329.34 = 22,912.66/x
  3. Step 3: Cross multiply
    40,821.15x = 56,329.34 × 22,912.66
  4. Step 4: Simplify right side
    40,821.15x = 1,290,655,100.18
  5. Step 5: Solve for x
    x = 1,290,655,100.18/40,821.15
  6. Step 6: Final answer
    x = 31,617.31

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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.