Home / 56,939.60-85,474.20-33,579.20

Finding the Fourth Proportional to 56,939.60, 85,474.20 and 33,579.20

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Solution

The fourth proportional to 56,939.60, 85,474.20 and 33,579.20 is: 50,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,939.60 : 85,474.20 = 33,579.20 : x
  2. Step 2: Convert to fraction form
    56,939.60/85,474.20 = 33,579.20/x
  3. Step 3: Cross multiply
    56,939.60x = 85,474.20 × 33,579.20
  4. Step 4: Simplify right side
    56,939.60x = 2,870,155,256.64
  5. Step 5: Solve for x
    x = 2,870,155,256.64/56,939.60
  6. Step 6: Final answer
    x = 50,407.01

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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.