Home / 41,490.72-62,235.36-13,788

Finding the Fourth Proportional to 41,490.72, 62,235.36 and 13,788

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Solution

The fourth proportional to 41,490.72, 62,235.36 and 13,788 is: 20,681.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,490.72 : 62,235.36 = 13,788 : x
  2. Step 2: Convert to fraction form
    41,490.72/62,235.36 = 13,788/x
  3. Step 3: Cross multiply
    41,490.72x = 62,235.36 × 13,788
  4. Step 4: Simplify right side
    41,490.72x = 858,101,143.68
  5. Step 5: Solve for x
    x = 858,101,143.68/41,490.72
  6. Step 6: Final answer
    x = 20,681.76

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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.