Home / 57,443.72-86,204.50-20,003.58

Finding the Fourth Proportional to 57,443.72, 86,204.50 and 20,003.58

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Solution

The fourth proportional to 57,443.72, 86,204.50 and 20,003.58 is: 30,018.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,443.72 : 86,204.50 = 20,003.58 : x
  2. Step 2: Convert to fraction form
    57,443.72/86,204.50 = 20,003.58/x
  3. Step 3: Cross multiply
    57,443.72x = 86,204.50 × 20,003.58
  4. Step 4: Simplify right side
    57,443.72x = 1,724,398,562.10
  5. Step 5: Solve for x
    x = 1,724,398,562.10/57,443.72
  6. Step 6: Final answer
    x = 30,018.92

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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.