Home / 41,012.48-61,518.74-11,431.08

Finding the Fourth Proportional to 41,012.48, 61,518.74 and 11,431.08

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Solution

The fourth proportional to 41,012.48, 61,518.74 and 11,431.08 is: 17,146.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,012.48 : 61,518.74 = 11,431.08 : x
  2. Step 2: Convert to fraction form
    41,012.48/61,518.74 = 11,431.08/x
  3. Step 3: Cross multiply
    41,012.48x = 61,518.74 × 11,431.08
  4. Step 4: Simplify right side
    41,012.48x = 703,225,581.28
  5. Step 5: Solve for x
    x = 703,225,581.28/41,012.48
  6. Step 6: Final answer
    x = 17,146.63

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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.