Home / 52,905.13-79,371.36-19,634.68

Finding the Fourth Proportional to 52,905.13, 79,371.36 and 19,634.68

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Solution

The fourth proportional to 52,905.13, 79,371.36 and 19,634.68 is: 29,457.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,905.13 : 79,371.36 = 19,634.68 : x
  2. Step 2: Convert to fraction form
    52,905.13/79,371.36 = 19,634.68/x
  3. Step 3: Cross multiply
    52,905.13x = 79,371.36 × 19,634.68
  4. Step 4: Simplify right side
    52,905.13x = 1,558,431,353.98
  5. Step 5: Solve for x
    x = 1,558,431,353.98/52,905.13
  6. Step 6: Final answer
    x = 29,457.09

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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.