Home / 54,301.57-81,449.31-14,855.78

Finding the Fourth Proportional to 54,301.57, 81,449.31 and 14,855.78

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Solution

The fourth proportional to 54,301.57, 81,449.31 and 14,855.78 is: 22,282.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,301.57 : 81,449.31 = 14,855.78 : x
  2. Step 2: Convert to fraction form
    54,301.57/81,449.31 = 14,855.78/x
  3. Step 3: Cross multiply
    54,301.57x = 81,449.31 × 14,855.78
  4. Step 4: Simplify right side
    54,301.57x = 1,209,993,030.51
  5. Step 5: Solve for x
    x = 1,209,993,030.51/54,301.57
  6. Step 6: Final answer
    x = 22,282.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.