Home / 40,613.31-55,991.25-28,497.33

Finding the Fourth Proportional to 40,613.31, 55,991.25 and 28,497.33

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Solution

The fourth proportional to 40,613.31, 55,991.25 and 28,497.33 is: 39,287.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,613.31 : 55,991.25 = 28,497.33 : x
  2. Step 2: Convert to fraction form
    40,613.31/55,991.25 = 28,497.33/x
  3. Step 3: Cross multiply
    40,613.31x = 55,991.25 × 28,497.33
  4. Step 4: Simplify right side
    40,613.31x = 1,595,601,128.36
  5. Step 5: Solve for x
    x = 1,595,601,128.36/40,613.31
  6. Step 6: Final answer
    x = 39,287.64

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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.