Home / 37,291.35-51,450.46-21,156

Finding the Fourth Proportional to 37,291.35, 51,450.46 and 21,156

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Solution

The fourth proportional to 37,291.35, 51,450.46 and 21,156 is: 29,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,291.35 : 51,450.46 = 21,156 : x
  2. Step 2: Convert to fraction form
    37,291.35/51,450.46 = 21,156/x
  3. Step 3: Cross multiply
    37,291.35x = 51,450.46 × 21,156
  4. Step 4: Simplify right side
    37,291.35x = 1,088,485,931.76
  5. Step 5: Solve for x
    x = 1,088,485,931.76/37,291.35
  6. Step 6: Final answer
    x = 29,188.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.