Home / 54,831.56-75,666.02-30,960.45

Finding the Fourth Proportional to 54,831.56, 75,666.02 and 30,960.45

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Solution

The fourth proportional to 54,831.56, 75,666.02 and 30,960.45 is: 42,724.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,831.56 : 75,666.02 = 30,960.45 : x
  2. Step 2: Convert to fraction form
    54,831.56/75,666.02 = 30,960.45/x
  3. Step 3: Cross multiply
    54,831.56x = 75,666.02 × 30,960.45
  4. Step 4: Simplify right side
    54,831.56x = 2,342,653,874.11
  5. Step 5: Solve for x
    x = 2,342,653,874.11/54,831.56
  6. Step 6: Final answer
    x = 42,724.56

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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.