Home / 40,571.66-56,060.44-31,221.02

Finding the Fourth Proportional to 40,571.66, 56,060.44 and 31,221.02

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Solution

The fourth proportional to 40,571.66, 56,060.44 and 31,221.02 is: 43,140.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,571.66 : 56,060.44 = 31,221.02 : x
  2. Step 2: Convert to fraction form
    40,571.66/56,060.44 = 31,221.02/x
  3. Step 3: Cross multiply
    40,571.66x = 56,060.44 × 31,221.02
  4. Step 4: Simplify right side
    40,571.66x = 1,750,264,118.45
  5. Step 5: Solve for x
    x = 1,750,264,118.45/40,571.66
  6. Step 6: Final answer
    x = 43,140.07

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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.