Home / 54,623.97-75,384.27-30,751.65

Finding the Fourth Proportional to 54,623.97, 75,384.27 and 30,751.65

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Solution

The fourth proportional to 54,623.97, 75,384.27 and 30,751.65 is: 42,439.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,623.97 : 75,384.27 = 30,751.65 : x
  2. Step 2: Convert to fraction form
    54,623.97/75,384.27 = 30,751.65/x
  3. Step 3: Cross multiply
    54,623.97x = 75,384.27 × 30,751.65
  4. Step 4: Simplify right side
    54,623.97x = 2,318,190,686.55
  5. Step 5: Solve for x
    x = 2,318,190,686.55/54,623.97
  6. Step 6: Final answer
    x = 42,439.07

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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.