Home / 64,940.24-97,400.61-20,561.24

Finding the Fourth Proportional to 64,940.24, 97,400.61 and 20,561.24

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Solution

The fourth proportional to 64,940.24, 97,400.61 and 20,561.24 is: 30,838.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,940.24 : 97,400.61 = 20,561.24 : x
  2. Step 2: Convert to fraction form
    64,940.24/97,400.61 = 20,561.24/x
  3. Step 3: Cross multiply
    64,940.24x = 97,400.61 × 20,561.24
  4. Step 4: Simplify right side
    64,940.24x = 2,002,677,318.36
  5. Step 5: Solve for x
    x = 2,002,677,318.36/64,940.24
  6. Step 6: Final answer
    x = 30,838.77

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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.