Home / 37,819.70-56,712.81-14,429.78

Finding the Fourth Proportional to 37,819.70, 56,712.81 and 14,429.78

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Solution

The fourth proportional to 37,819.70, 56,712.81 and 14,429.78 is: 21,638.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,819.70 : 56,712.81 = 14,429.78 : x
  2. Step 2: Convert to fraction form
    37,819.70/56,712.81 = 14,429.78/x
  3. Step 3: Cross multiply
    37,819.70x = 56,712.81 × 14,429.78
  4. Step 4: Simplify right side
    37,819.70x = 818,353,371.48
  5. Step 5: Solve for x
    x = 818,353,371.48/37,819.70
  6. Step 6: Final answer
    x = 21,638.28

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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.