Home / 54,831.44-75,663.16-30,960.47

Finding the Fourth Proportional to 54,831.44, 75,663.16 and 30,960.47

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Solution

The fourth proportional to 54,831.44, 75,663.16 and 30,960.47 is: 42,723.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,831.44 : 75,663.16 = 30,960.47 : x
  2. Step 2: Convert to fraction form
    54,831.44/75,663.16 = 30,960.47/x
  3. Step 3: Cross multiply
    54,831.44x = 75,663.16 × 30,960.47
  4. Step 4: Simplify right side
    54,831.44x = 2,342,566,539.57
  5. Step 5: Solve for x
    x = 2,342,566,539.57/54,831.44
  6. Step 6: Final answer
    x = 42,723.06

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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.