Home / 41,976.56-57,931.75-31,347.74

Finding the Fourth Proportional to 41,976.56, 57,931.75 and 31,347.74

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Solution

The fourth proportional to 41,976.56, 57,931.75 and 31,347.74 is: 43,262.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,976.56 : 57,931.75 = 31,347.74 : x
  2. Step 2: Convert to fraction form
    41,976.56/57,931.75 = 31,347.74/x
  3. Step 3: Cross multiply
    41,976.56x = 57,931.75 × 31,347.74
  4. Step 4: Simplify right side
    41,976.56x = 1,816,028,990.35
  5. Step 5: Solve for x
    x = 1,816,028,990.35/41,976.56
  6. Step 6: Final answer
    x = 43,262.94

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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.