Home / 54,490.70-75,194.76-31,831.79

Finding the Fourth Proportional to 54,490.70, 75,194.76 and 31,831.79

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Solution

The fourth proportional to 54,490.70, 75,194.76 and 31,831.79 is: 43,926.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,490.70 : 75,194.76 = 31,831.79 : x
  2. Step 2: Convert to fraction form
    54,490.70/75,194.76 = 31,831.79/x
  3. Step 3: Cross multiply
    54,490.70x = 75,194.76 × 31,831.79
  4. Step 4: Simplify right side
    54,490.70x = 2,393,583,284.24
  5. Step 5: Solve for x
    x = 2,393,583,284.24/54,490.70
  6. Step 6: Final answer
    x = 43,926.46

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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.