Home / 57,226.56-85,822.08-20,287.68

Finding the Fourth Proportional to 57,226.56, 85,822.08 and 20,287.68

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Solution

The fourth proportional to 57,226.56, 85,822.08 and 20,287.68 is: 30,425.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,226.56 : 85,822.08 = 20,287.68 : x
  2. Step 2: Convert to fraction form
    57,226.56/85,822.08 = 20,287.68/x
  3. Step 3: Cross multiply
    57,226.56x = 85,822.08 × 20,287.68
  4. Step 4: Simplify right side
    57,226.56x = 1,741,130,895.97
  5. Step 5: Solve for x
    x = 1,741,130,895.97/57,226.56
  6. Step 6: Final answer
    x = 30,425.22

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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.