Home / 57,087.08-85,681.50-27,138.24

Finding the Fourth Proportional to 57,087.08, 85,681.50 and 27,138.24

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Solution

The fourth proportional to 57,087.08, 85,681.50 and 27,138.24 is: 40,731.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,087.08 : 85,681.50 = 27,138.24 : x
  2. Step 2: Convert to fraction form
    57,087.08/85,681.50 = 27,138.24/x
  3. Step 3: Cross multiply
    57,087.08x = 85,681.50 × 27,138.24
  4. Step 4: Simplify right side
    57,087.08x = 2,325,245,008.79
  5. Step 5: Solve for x
    x = 2,325,245,008.79/57,087.08
  6. Step 6: Final answer
    x = 40,731.55

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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.