Home / 40,821.98-56,334.54-22,917.20

Finding the Fourth Proportional to 40,821.98, 56,334.54 and 22,917.20

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Solution

The fourth proportional to 40,821.98, 56,334.54 and 22,917.20 is: 31,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,821.98 : 56,334.54 = 22,917.20 : x
  2. Step 2: Convert to fraction form
    40,821.98/56,334.54 = 22,917.20/x
  3. Step 3: Cross multiply
    40,821.98x = 56,334.54 × 22,917.20
  4. Step 4: Simplify right side
    40,821.98x = 1,291,029,920.09
  5. Step 5: Solve for x
    x = 1,291,029,920.09/40,821.98
  6. Step 6: Final answer
    x = 31,625.85

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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.