Home / 54,154.68-81,238.74-19,087.32

Finding the Fourth Proportional to 54,154.68, 81,238.74 and 19,087.32

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Solution

The fourth proportional to 54,154.68, 81,238.74 and 19,087.32 is: 28,633.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,154.68 : 81,238.74 = 19,087.32 : x
  2. Step 2: Convert to fraction form
    54,154.68/81,238.74 = 19,087.32/x
  3. Step 3: Cross multiply
    54,154.68x = 81,238.74 × 19,087.32
  4. Step 4: Simplify right side
    54,154.68x = 1,550,629,826.78
  5. Step 5: Solve for x
    x = 1,550,629,826.78/54,154.68
  6. Step 6: Final answer
    x = 28,633.35

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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.