Home / 87,936.32-131,903.51-21,376.52

Finding the Fourth Proportional to 87,936.32, 131,903.51 and 21,376.52

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Solution

The fourth proportional to 87,936.32, 131,903.51 and 21,376.52 is: 32,064.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,936.32 : 131,903.51 = 21,376.52 : x
  2. Step 2: Convert to fraction form
    87,936.32/131,903.51 = 21,376.52/x
  3. Step 3: Cross multiply
    87,936.32x = 131,903.51 × 21,376.52
  4. Step 4: Simplify right side
    87,936.32x = 2,819,637,674.19
  5. Step 5: Solve for x
    x = 2,819,637,674.19/87,936.32
  6. Step 6: Final answer
    x = 32,064.54

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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.