Home / 41,742.50-57,612.04-31,653.92

Finding the Fourth Proportional to 41,742.50, 57,612.04 and 31,653.92

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Solution

The fourth proportional to 41,742.50, 57,612.04 and 31,653.92 is: 43,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,742.50 : 57,612.04 = 31,653.92 : x
  2. Step 2: Convert to fraction form
    41,742.50/57,612.04 = 31,653.92/x
  3. Step 3: Cross multiply
    41,742.50x = 57,612.04 × 31,653.92
  4. Step 4: Simplify right side
    41,742.50x = 1,823,646,970.09
  5. Step 5: Solve for x
    x = 1,823,646,970.09/41,742.50
  6. Step 6: Final answer
    x = 43,688.02

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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.