Home / 54,450.87-75,109.62-34,272.72

Finding the Fourth Proportional to 54,450.87, 75,109.62 and 34,272.72

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Solution

The fourth proportional to 54,450.87, 75,109.62 and 34,272.72 is: 47,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,450.87 : 75,109.62 = 34,272.72 : x
  2. Step 2: Convert to fraction form
    54,450.87/75,109.62 = 34,272.72/x
  3. Step 3: Cross multiply
    54,450.87x = 75,109.62 × 34,272.72
  4. Step 4: Simplify right side
    54,450.87x = 2,574,210,975.57
  5. Step 5: Solve for x
    x = 2,574,210,975.57/54,450.87
  6. Step 6: Final answer
    x = 47,275.85

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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.