Home / 58,380.24-87,559.79-20,435.09

Finding the Fourth Proportional to 58,380.24, 87,559.79 and 20,435.09

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Solution

The fourth proportional to 58,380.24, 87,559.79 and 20,435.09 is: 30,648.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,380.24 : 87,559.79 = 20,435.09 : x
  2. Step 2: Convert to fraction form
    58,380.24/87,559.79 = 20,435.09/x
  3. Step 3: Cross multiply
    58,380.24x = 87,559.79 × 20,435.09
  4. Step 4: Simplify right side
    58,380.24x = 1,789,291,649.06
  5. Step 5: Solve for x
    x = 1,789,291,649.06/58,380.24
  6. Step 6: Final answer
    x = 30,648.92

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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.