Home / 39,933.47-55,157.25-29,906.69

Finding the Fourth Proportional to 39,933.47, 55,157.25 and 29,906.69

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Solution

The fourth proportional to 39,933.47, 55,157.25 and 29,906.69 is: 41,307.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,933.47 : 55,157.25 = 29,906.69 : x
  2. Step 2: Convert to fraction form
    39,933.47/55,157.25 = 29,906.69/x
  3. Step 3: Cross multiply
    39,933.47x = 55,157.25 × 29,906.69
  4. Step 4: Simplify right side
    39,933.47x = 1,649,570,501.22
  5. Step 5: Solve for x
    x = 1,649,570,501.22/39,933.47
  6. Step 6: Final answer
    x = 41,307.97

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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.