Home / 64,949.79-97,428.37-18,206.31

Finding the Fourth Proportional to 64,949.79, 97,428.37 and 18,206.31

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Solution

The fourth proportional to 64,949.79, 97,428.37 and 18,206.31 is: 27,310.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,949.79 : 97,428.37 = 18,206.31 : x
  2. Step 2: Convert to fraction form
    64,949.79/97,428.37 = 18,206.31/x
  3. Step 3: Cross multiply
    64,949.79x = 97,428.37 × 18,206.31
  4. Step 4: Simplify right side
    64,949.79x = 1,773,811,107.01
  5. Step 5: Solve for x
    x = 1,773,811,107.01/64,949.79
  6. Step 6: Final answer
    x = 27,310.50

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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.