Home / 37,685.96-56,455.03-21,857.75

Finding the Fourth Proportional to 37,685.96, 56,455.03 and 21,857.75

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Solution

The fourth proportional to 37,685.96, 56,455.03 and 21,857.75 is: 32,743.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,685.96 : 56,455.03 = 21,857.75 : x
  2. Step 2: Convert to fraction form
    37,685.96/56,455.03 = 21,857.75/x
  3. Step 3: Cross multiply
    37,685.96x = 56,455.03 × 21,857.75
  4. Step 4: Simplify right side
    37,685.96x = 1,233,979,765.79
  5. Step 5: Solve for x
    x = 1,233,979,765.79/37,685.96
  6. Step 6: Final answer
    x = 32,743.75

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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.