Home / 38,150.49-52,647.42-21,154.73

Finding the Fourth Proportional to 38,150.49, 52,647.42 and 21,154.73

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Solution

The fourth proportional to 38,150.49, 52,647.42 and 21,154.73 is: 29,193.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,150.49 : 52,647.42 = 21,154.73 : x
  2. Step 2: Convert to fraction form
    38,150.49/52,647.42 = 21,154.73/x
  3. Step 3: Cross multiply
    38,150.49x = 52,647.42 × 21,154.73
  4. Step 4: Simplify right side
    38,150.49x = 1,113,741,955.30
  5. Step 5: Solve for x
    x = 1,113,741,955.30/38,150.49
  6. Step 6: Final answer
    x = 29,193.39

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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.