Home / 38,399.49-52,985.21-21,629.25

Finding the Fourth Proportional to 38,399.49, 52,985.21 and 21,629.25

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Solution

The fourth proportional to 38,399.49, 52,985.21 and 21,629.25 is: 29,844.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,399.49 : 52,985.21 = 21,629.25 : x
  2. Step 2: Convert to fraction form
    38,399.49/52,985.21 = 21,629.25/x
  3. Step 3: Cross multiply
    38,399.49x = 52,985.21 × 21,629.25
  4. Step 4: Simplify right side
    38,399.49x = 1,146,030,245.25
  5. Step 5: Solve for x
    x = 1,146,030,245.25/38,399.49
  6. Step 6: Final answer
    x = 29,844.93

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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.