Home / 58,660.35-87,997.36-21,238.05

Finding the Fourth Proportional to 58,660.35, 87,997.36 and 21,238.05

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Solution

The fourth proportional to 58,660.35, 87,997.36 and 21,238.05 is: 31,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,660.35 : 87,997.36 = 21,238.05 : x
  2. Step 2: Convert to fraction form
    58,660.35/87,997.36 = 21,238.05/x
  3. Step 3: Cross multiply
    58,660.35x = 87,997.36 × 21,238.05
  4. Step 4: Simplify right side
    58,660.35x = 1,868,892,213.01
  5. Step 5: Solve for x
    x = 1,868,892,213.01/58,660.35
  6. Step 6: Final answer
    x = 31,859.55

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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.