Home / 54,228.30-74,831.58-30,350.94

Finding the Fourth Proportional to 54,228.30, 74,831.58 and 30,350.94

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Solution

The fourth proportional to 54,228.30, 74,831.58 and 30,350.94 is: 41,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,228.30 : 74,831.58 = 30,350.94 : x
  2. Step 2: Convert to fraction form
    54,228.30/74,831.58 = 30,350.94/x
  3. Step 3: Cross multiply
    54,228.30x = 74,831.58 × 30,350.94
  4. Step 4: Simplify right side
    54,228.30x = 2,271,208,794.69
  5. Step 5: Solve for x
    x = 2,271,208,794.69/54,228.30
  6. Step 6: Final answer
    x = 41,882.35

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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.