Home / 57,108.96-85,653.12-15,546.24

Finding the Fourth Proportional to 57,108.96, 85,653.12 and 15,546.24

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Solution

The fourth proportional to 57,108.96, 85,653.12 and 15,546.24 is: 23,316.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,108.96 : 85,653.12 = 15,546.24 : x
  2. Step 2: Convert to fraction form
    57,108.96/85,653.12 = 15,546.24/x
  3. Step 3: Cross multiply
    57,108.96x = 85,653.12 × 15,546.24
  4. Step 4: Simplify right side
    57,108.96x = 1,331,583,960.27
  5. Step 5: Solve for x
    x = 1,331,583,960.27/57,108.96
  6. Step 6: Final answer
    x = 23,316.55

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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.