Home / 51,491.89-77,227.03-14,547.25

Finding the Fourth Proportional to 51,491.89, 77,227.03 and 14,547.25

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Solution

The fourth proportional to 51,491.89, 77,227.03 and 14,547.25 is: 21,817.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,491.89 : 77,227.03 = 14,547.25 : x
  2. Step 2: Convert to fraction form
    51,491.89/77,227.03 = 14,547.25/x
  3. Step 3: Cross multiply
    51,491.89x = 77,227.03 × 14,547.25
  4. Step 4: Simplify right side
    51,491.89x = 1,123,440,912.17
  5. Step 5: Solve for x
    x = 1,123,440,912.17/51,491.89
  6. Step 6: Final answer
    x = 21,817.82

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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.