Home / 40,768.08-61,145.91-14,469

Finding the Fourth Proportional to 40,768.08, 61,145.91 and 14,469

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Solution

The fourth proportional to 40,768.08, 61,145.91 and 14,469 is: 21,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,768.08 : 61,145.91 = 14,469 : x
  2. Step 2: Convert to fraction form
    40,768.08/61,145.91 = 14,469/x
  3. Step 3: Cross multiply
    40,768.08x = 61,145.91 × 14,469
  4. Step 4: Simplify right side
    40,768.08x = 884,720,171.79
  5. Step 5: Solve for x
    x = 884,720,171.79/40,768.08
  6. Step 6: Final answer
    x = 21,701.30

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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.