Home / 45,869.38-68,813.94-14,278.76

Finding the Fourth Proportional to 45,869.38, 68,813.94 and 14,278.76

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Solution

The fourth proportional to 45,869.38, 68,813.94 and 14,278.76 is: 21,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,869.38 : 68,813.94 = 14,278.76 : x
  2. Step 2: Convert to fraction form
    45,869.38/68,813.94 = 14,278.76/x
  3. Step 3: Cross multiply
    45,869.38x = 68,813.94 × 14,278.76
  4. Step 4: Simplify right side
    45,869.38x = 982,577,733.91
  5. Step 5: Solve for x
    x = 982,577,733.91/45,869.38
  6. Step 6: Final answer
    x = 21,421.21

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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.