Home / 64,935.10-97,406.34-18,191.62

Finding the Fourth Proportional to 64,935.10, 97,406.34 and 18,191.62

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Solution

The fourth proportional to 64,935.10, 97,406.34 and 18,191.62 is: 27,288.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,935.10 : 97,406.34 = 18,191.62 : x
  2. Step 2: Convert to fraction form
    64,935.10/97,406.34 = 18,191.62/x
  3. Step 3: Cross multiply
    64,935.10x = 97,406.34 × 18,191.62
  4. Step 4: Simplify right side
    64,935.10x = 1,771,979,122.87
  5. Step 5: Solve for x
    x = 1,771,979,122.87/64,935.10
  6. Step 6: Final answer
    x = 27,288.46

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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.