Home / 54,022.08-81,069.36-18,961.84

Finding the Fourth Proportional to 54,022.08, 81,069.36 and 18,961.84

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Solution

The fourth proportional to 54,022.08, 81,069.36 and 18,961.84 is: 28,455.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,022.08 : 81,069.36 = 18,961.84 : x
  2. Step 2: Convert to fraction form
    54,022.08/81,069.36 = 18,961.84/x
  3. Step 3: Cross multiply
    54,022.08x = 81,069.36 × 18,961.84
  4. Step 4: Simplify right side
    54,022.08x = 1,537,224,233.22
  5. Step 5: Solve for x
    x = 1,537,224,233.22/54,022.08
  6. Step 6: Final answer
    x = 28,455.48

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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.