Home / 56,719.08-85,078.62-15,165

Finding the Fourth Proportional to 56,719.08, 85,078.62 and 15,165

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Solution

The fourth proportional to 56,719.08, 85,078.62 and 15,165 is: 22,747.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,719.08 : 85,078.62 = 15,165 : x
  2. Step 2: Convert to fraction form
    56,719.08/85,078.62 = 15,165/x
  3. Step 3: Cross multiply
    56,719.08x = 85,078.62 × 15,165
  4. Step 4: Simplify right side
    56,719.08x = 1,290,217,272.30
  5. Step 5: Solve for x
    x = 1,290,217,272.30/56,719.08
  6. Step 6: Final answer
    x = 22,747.50

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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.