Home / 56,725.08-85,087.62-15,171

Finding the Fourth Proportional to 56,725.08, 85,087.62 and 15,171

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Solution

The fourth proportional to 56,725.08, 85,087.62 and 15,171 is: 22,756.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,725.08 : 85,087.62 = 15,171 : x
  2. Step 2: Convert to fraction form
    56,725.08/85,087.62 = 15,171/x
  3. Step 3: Cross multiply
    56,725.08x = 85,087.62 × 15,171
  4. Step 4: Simplify right side
    56,725.08x = 1,290,864,283.02
  5. Step 5: Solve for x
    x = 1,290,864,283.02/56,725.08
  6. Step 6: Final answer
    x = 22,756.50

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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.