Home / 54,350.20-81,533.40-19,286.92

Finding the Fourth Proportional to 54,350.20, 81,533.40 and 19,286.92

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Solution

The fourth proportional to 54,350.20, 81,533.40 and 19,286.92 is: 28,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,350.20 : 81,533.40 = 19,286.92 : x
  2. Step 2: Convert to fraction form
    54,350.20/81,533.40 = 19,286.92/x
  3. Step 3: Cross multiply
    54,350.20x = 81,533.40 × 19,286.92
  4. Step 4: Simplify right side
    54,350.20x = 1,572,528,163.13
  5. Step 5: Solve for x
    x = 1,572,528,163.13/54,350.20
  6. Step 6: Final answer
    x = 28,933.25

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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.