Home / 42,972.29-64,461.68-27,945.17

Finding the Fourth Proportional to 42,972.29, 64,461.68 and 27,945.17

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Solution

The fourth proportional to 42,972.29, 64,461.68 and 27,945.17 is: 41,919.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,972.29 : 64,461.68 = 27,945.17 : x
  2. Step 2: Convert to fraction form
    42,972.29/64,461.68 = 27,945.17/x
  3. Step 3: Cross multiply
    42,972.29x = 64,461.68 × 27,945.17
  4. Step 4: Simplify right side
    42,972.29x = 1,801,392,466.36
  5. Step 5: Solve for x
    x = 1,801,392,466.36/42,972.29
  6. Step 6: Final answer
    x = 41,919.86

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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.