Home / 38,494.55-53,173.48-30,969.23

Finding the Fourth Proportional to 38,494.55, 53,173.48 and 30,969.23

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Solution

The fourth proportional to 38,494.55, 53,173.48 and 30,969.23 is: 42,778.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,494.55 : 53,173.48 = 30,969.23 : x
  2. Step 2: Convert to fraction form
    38,494.55/53,173.48 = 30,969.23/x
  3. Step 3: Cross multiply
    38,494.55x = 53,173.48 × 30,969.23
  4. Step 4: Simplify right side
    38,494.55x = 1,646,741,732.02
  5. Step 5: Solve for x
    x = 1,646,741,732.02/38,494.55
  6. Step 6: Final answer
    x = 42,778.57

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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.