Home / 54,373.96-75,036.34-31,728.84

Finding the Fourth Proportional to 54,373.96, 75,036.34 and 31,728.84

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Solution

The fourth proportional to 54,373.96, 75,036.34 and 31,728.84 is: 43,785.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,373.96 : 75,036.34 = 31,728.84 : x
  2. Step 2: Convert to fraction form
    54,373.96/75,036.34 = 31,728.84/x
  3. Step 3: Cross multiply
    54,373.96x = 75,036.34 × 31,728.84
  4. Step 4: Simplify right side
    54,373.96x = 2,380,816,026.05
  5. Step 5: Solve for x
    x = 2,380,816,026.05/54,373.96
  6. Step 6: Final answer
    x = 43,785.96

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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.