Home / 32,870.12-45,366.44-31,776.62

Finding the Fourth Proportional to 32,870.12, 45,366.44 and 31,776.62

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Solution

The fourth proportional to 32,870.12, 45,366.44 and 31,776.62 is: 43,857.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,870.12 : 45,366.44 = 31,776.62 : x
  2. Step 2: Convert to fraction form
    32,870.12/45,366.44 = 31,776.62/x
  3. Step 3: Cross multiply
    32,870.12x = 45,366.44 × 31,776.62
  4. Step 4: Simplify right side
    32,870.12x = 1,441,591,738.92
  5. Step 5: Solve for x
    x = 1,441,591,738.92/32,870.12
  6. Step 6: Final answer
    x = 43,857.22

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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.