Home / 54,415.39-81,573.87-19,346.85

Finding the Fourth Proportional to 54,415.39, 81,573.87 and 19,346.85

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Solution

The fourth proportional to 54,415.39, 81,573.87 and 19,346.85 is: 29,002.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,415.39 : 81,573.87 = 19,346.85 : x
  2. Step 2: Convert to fraction form
    54,415.39/81,573.87 = 19,346.85/x
  3. Step 3: Cross multiply
    54,415.39x = 81,573.87 × 19,346.85
  4. Step 4: Simplify right side
    54,415.39x = 1,578,197,426.81
  5. Step 5: Solve for x
    x = 1,578,197,426.81/54,415.39
  6. Step 6: Final answer
    x = 29,002.78

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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.