Home / 54,958.15-82,437.23-21,679.30

Finding the Fourth Proportional to 54,958.15, 82,437.23 and 21,679.30

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Solution

The fourth proportional to 54,958.15, 82,437.23 and 21,679.30 is: 32,518.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,958.15 : 82,437.23 = 21,679.30 : x
  2. Step 2: Convert to fraction form
    54,958.15/82,437.23 = 21,679.30/x
  3. Step 3: Cross multiply
    54,958.15x = 82,437.23 × 21,679.30
  4. Step 4: Simplify right side
    54,958.15x = 1,787,181,331.94
  5. Step 5: Solve for x
    x = 1,787,181,331.94/54,958.15
  6. Step 6: Final answer
    x = 32,518.95

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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.