Home / 40,991.41-61,495.76-13,287.25

Finding the Fourth Proportional to 40,991.41, 61,495.76 and 13,287.25

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Solution

The fourth proportional to 40,991.41, 61,495.76 and 13,287.25 is: 19,933.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,991.41 : 61,495.76 = 13,287.25 : x
  2. Step 2: Convert to fraction form
    40,991.41/61,495.76 = 13,287.25/x
  3. Step 3: Cross multiply
    40,991.41x = 61,495.76 × 13,287.25
  4. Step 4: Simplify right side
    40,991.41x = 817,109,537.06
  5. Step 5: Solve for x
    x = 817,109,537.06/40,991.41
  6. Step 6: Final answer
    x = 19,933.68

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1.5x scale

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.