Home / 29,481.69-40,637.33-19,918.58

Finding the Fourth Proportional to 29,481.69, 40,637.33 and 19,918.58

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Solution

The fourth proportional to 29,481.69, 40,637.33 and 19,918.58 is: 27,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,481.69 : 40,637.33 = 19,918.58 : x
  2. Step 2: Convert to fraction form
    29,481.69/40,637.33 = 19,918.58/x
  3. Step 3: Cross multiply
    29,481.69x = 40,637.33 × 19,918.58
  4. Step 4: Simplify right side
    29,481.69x = 809,437,605.81
  5. Step 5: Solve for x
    x = 809,437,605.81/29,481.69
  6. Step 6: Final answer
    x = 27,455.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.