Home / 54,352.18-75,007.91-31,687.34

Finding the Fourth Proportional to 54,352.18, 75,007.91 and 31,687.34

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Solution

The fourth proportional to 54,352.18, 75,007.91 and 31,687.34 is: 43,729.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,352.18 : 75,007.91 = 31,687.34 : x
  2. Step 2: Convert to fraction form
    54,352.18/75,007.91 = 31,687.34/x
  3. Step 3: Cross multiply
    54,352.18x = 75,007.91 × 31,687.34
  4. Step 4: Simplify right side
    54,352.18x = 2,376,800,851.04
  5. Step 5: Solve for x
    x = 2,376,800,851.04/54,352.18
  6. Step 6: Final answer
    x = 43,729.63

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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.