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Finding the Fourth Proportional to 35,493.31, 48,980.01 and 19,579.24

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Solution

The fourth proportional to 35,493.31, 48,980.01 and 19,579.24 is: 27,018.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,493.31 : 48,980.01 = 19,579.24 : x
  2. Step 2: Convert to fraction form
    35,493.31/48,980.01 = 19,579.24/x
  3. Step 3: Cross multiply
    35,493.31x = 48,980.01 × 19,579.24
  4. Step 4: Simplify right side
    35,493.31x = 958,991,370.99
  5. Step 5: Solve for x
    x = 958,991,370.99/35,493.31
  6. Step 6: Final answer
    x = 27,018.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.