Home / 87,827.58-131,741.70-21,267.61

Finding the Fourth Proportional to 87,827.58, 131,741.70 and 21,267.61

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Solution

The fourth proportional to 87,827.58, 131,741.70 and 21,267.61 is: 31,901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,827.58 : 131,741.70 = 21,267.61 : x
  2. Step 2: Convert to fraction form
    87,827.58/131,741.70 = 21,267.61/x
  3. Step 3: Cross multiply
    87,827.58x = 131,741.70 × 21,267.61
  4. Step 4: Simplify right side
    87,827.58x = 2,801,831,096.34
  5. Step 5: Solve for x
    x = 2,801,831,096.34/87,827.58
  6. Step 6: Final answer
    x = 31,901.49

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1.5x scale

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.