Home / 56,115.44-84,154.88-18,665.46

Finding the Fourth Proportional to 56,115.44, 84,154.88 and 18,665.46

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Solution

The fourth proportional to 56,115.44, 84,154.88 and 18,665.46 is: 27,992.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,115.44 : 84,154.88 = 18,665.46 : x
  2. Step 2: Convert to fraction form
    56,115.44/84,154.88 = 18,665.46/x
  3. Step 3: Cross multiply
    56,115.44x = 84,154.88 × 18,665.46
  4. Step 4: Simplify right side
    56,115.44x = 1,570,789,546.44
  5. Step 5: Solve for x
    x = 1,570,789,546.44/56,115.44
  6. Step 6: Final answer
    x = 27,992.11

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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.