Home / 54,556.23-75,281.46-30,682.40

Finding the Fourth Proportional to 54,556.23, 75,281.46 and 30,682.40

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Solution

The fourth proportional to 54,556.23, 75,281.46 and 30,682.40 is: 42,338.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,556.23 : 75,281.46 = 30,682.40 : x
  2. Step 2: Convert to fraction form
    54,556.23/75,281.46 = 30,682.40/x
  3. Step 3: Cross multiply
    54,556.23x = 75,281.46 × 30,682.40
  4. Step 4: Simplify right side
    54,556.23x = 2,309,815,491.90
  5. Step 5: Solve for x
    x = 2,309,815,491.90/54,556.23
  6. Step 6: Final answer
    x = 42,338.25

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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.