Home / 54,555.98-75,281.92-30,682.14

Finding the Fourth Proportional to 54,555.98, 75,281.92 and 30,682.14

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Solution

The fourth proportional to 54,555.98, 75,281.92 and 30,682.14 is: 42,338.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,555.98 : 75,281.92 = 30,682.14 : x
  2. Step 2: Convert to fraction form
    54,555.98/75,281.92 = 30,682.14/x
  3. Step 3: Cross multiply
    54,555.98x = 75,281.92 × 30,682.14
  4. Step 4: Simplify right side
    54,555.98x = 2,309,810,222.48
  5. Step 5: Solve for x
    x = 2,309,810,222.48/54,555.98
  6. Step 6: Final answer
    x = 42,338.35

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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.