Home / 54,831.87-75,666.42-30,960.81

Finding the Fourth Proportional to 54,831.87, 75,666.42 and 30,960.81

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Solution

The fourth proportional to 54,831.87, 75,666.42 and 30,960.81 is: 42,725.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,831.87 : 75,666.42 = 30,960.81 : x
  2. Step 2: Convert to fraction form
    54,831.87/75,666.42 = 30,960.81/x
  3. Step 3: Cross multiply
    54,831.87x = 75,666.42 × 30,960.81
  4. Step 4: Simplify right side
    54,831.87x = 2,342,693,653.00
  5. Step 5: Solve for x
    x = 2,342,693,653.00/54,831.87
  6. Step 6: Final answer
    x = 42,725.04

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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.