Home / 54,013.68-80,985.36-22,415.04

Finding the Fourth Proportional to 54,013.68, 80,985.36 and 22,415.04

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Solution

The fourth proportional to 54,013.68, 80,985.36 and 22,415.04 is: 33,607.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,013.68 : 80,985.36 = 22,415.04 : x
  2. Step 2: Convert to fraction form
    54,013.68/80,985.36 = 22,415.04/x
  3. Step 3: Cross multiply
    54,013.68x = 80,985.36 × 22,415.04
  4. Step 4: Simplify right side
    54,013.68x = 1,815,290,083.81
  5. Step 5: Solve for x
    x = 1,815,290,083.81/54,013.68
  6. Step 6: Final answer
    x = 33,607.97

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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.